United Airlines flight UA 664: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Las Vegas Harry Reid (LAS) 3 12:45 Chicago O'Hare (ORD) 1
UA 664 Non-stop Airbus A321neo (32Q) 3:45 Valid until 2025-05-20
Wed 07:00 Las Vegas Harry Reid (LAS) 3 12:43 Chicago O'Hare (ORD) 1
UA 664 Non-stop Airbus A321neo (32Q) 3:43 Operates only on 2025-05-21
Thu 07:00 Las Vegas Harry Reid (LAS) 3 12:44 Chicago O'Hare (ORD) 1
UA 664 Non-stop Airbus A321neo (32Q) 3:44 Operates only on 2025-05-22
Daily 07:00 Las Vegas Harry Reid (LAS) 3 12:44 Chicago O'Hare (ORD) 1
UA 664 Non-stop Boeing 737 MAX 9 (7M9) 3:44 Effective 2025-05-23 through 2025-06-25
Daily 07:00 Las Vegas Harry Reid (LAS) 3 12:47 Chicago O'Hare (ORD) 1
UA 664 Non-stop Boeing 737-900 (739) 3:47 Effective 2025-08-19 through 2025-10-25
Daily 07:00 Las Vegas Harry Reid (LAS) 3 12:46 Chicago O'Hare (ORD) 1
UA 664 Non-stop Boeing 737-900 (739) 3:46 Effective from 2025-10-26
Sat 07:15 Las Vegas Harry Reid (LAS) 3 12:59 Chicago O'Hare (ORD) 1
UA 664 Non-stop Boeing 737-900 (739) 3:44 Operates only on 2025-07-05
Daily 07:25 Las Vegas Harry Reid (LAS) 3 13:09 Chicago O'Hare (ORD) 1
UA 664 Non-stop Boeing 737-900 (739) 3:44 Effective 2025-06-26 through 2025-07-04
Daily 07:25 Las Vegas Harry Reid (LAS) 3 13:09 Chicago O'Hare (ORD) 1
UA 664 Non-stop Boeing 737-900 (739) 3:44 Effective 2025-07-06 through 2025-08-18
Daily 13:55 Chicago O'Hare (ORD) 1 18:08 Fort Lauderdale (FLL) 1
UA 664 Non-stop Boeing 737-900 (739) 3:13 Effective from 2025-10-26
Sat 14:12 Chicago O'Hare (ORD) 1 15:50 Minneapolis/Saint Paul (MSP) 1
UA 664 Non-stop Airbus A320 (320) 1:38 Effective 2025-06-28 through 2025-07-26
Fri 14:25 Chicago O'Hare (ORD) 1 16:04 Minneapolis/Saint Paul (MSP) 1
UA 664 Non-stop Boeing 737-900 (739) 1:39 Operates only on 2025-07-04
Daily 14:35 Chicago O'Hare (ORD) 1 17:05 John Glenn Columbus (CMH)
UA 664 Non-stop Airbus A320 (320) 1:30 Valid until 2025-05-21
Mon-Fri,Sun 14:40 Chicago O'Hare (ORD) 1 16:19 Minneapolis/Saint Paul (MSP) 1
UA 664 Non-stop Airbus A320 (320) 1:39 Effective 2025-06-26 through 2025-07-03
Mon-Fri,Sun 14:40 Chicago O'Hare (ORD) 1 16:19 Minneapolis/Saint Paul (MSP) 1
UA 664 Non-stop Airbus A320 (320) 1:39 Effective 2025-07-06 through 2025-07-31
Daily 14:53 Chicago O'Hare (ORD) 1 16:35 Denver (DEN)
UA 664 Non-stop Boeing 777 (777) 2:42 Effective 2025-09-25 through 2025-10-25
Daily 16:00 Chicago O'Hare (ORD) 1 19:20 New York LaGuardia (LGA) B
UA 664 Non-stop Boeing 737-800 (738) 2:20 Effective 2025-08-01 through 2025-08-18
Daily 18:45 Fort Lauderdale (FLL) 1 22:00 Newark Liberty, New York (EWR) C
UA 664 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective from 2026-01-06
Non-Direct Flights:
Daily 07:00 Las Vegas Harry Reid (LAS) 3 17:05 John Glenn Columbus (CMH)
UA 664 1-stop Airbus A321neo (32Q) 7:05 Valid until 2025-05-20
Wed 07:00 Las Vegas Harry Reid (LAS) 3 17:05 John Glenn Columbus (CMH)
UA 664 1-stop Airbus A321neo (32Q) 7:05 Operates only on 2025-05-21
Daily 07:00 Las Vegas Harry Reid (LAS) 3 16:35 Denver (DEN)
UA 664 1-stop Boeing 737-900 (739) 8:35 Effective 2025-09-25 through 2025-10-25
Daily 07:00 Las Vegas Harry Reid (LAS) 3 18:08 Fort Lauderdale (FLL) 1
UA 664 1-stop Boeing 737-900 (739) 8:08 Effective from 2025-10-26
Sat 07:15 Las Vegas Harry Reid (LAS) 3 15:50 Minneapolis/Saint Paul (MSP) 1
UA 664 1-stop Boeing 737-900 (739) 6:35 Operates only on 2025-07-05
Mon-Fri,Sun 07:25 Las Vegas Harry Reid (LAS) 3 16:19 Minneapolis/Saint Paul (MSP) 1
UA 664 1-stop Boeing 737-900 (739) 6:54 Effective 2025-06-26 through 2025-07-03
Sat 07:25 Las Vegas Harry Reid (LAS) 3 15:50 Minneapolis/Saint Paul (MSP) 1
UA 664 1-stop Boeing 737-900 (739) 6:25 Operates only on 2025-06-28
Fri 07:25 Las Vegas Harry Reid (LAS) 3 16:04 Minneapolis/Saint Paul (MSP) 1
UA 664 1-stop Boeing 737-900 (739) 6:39 Operates only on 2025-07-04
Mon-Fri,Sun 07:25 Las Vegas Harry Reid (LAS) 3 16:19 Minneapolis/Saint Paul (MSP) 1
UA 664 1-stop Boeing 737-900 (739) 6:54 Effective 2025-07-06 through 2025-07-31
Sat 07:25 Las Vegas Harry Reid (LAS) 3 15:50 Minneapolis/Saint Paul (MSP) 1
UA 664 1-stop Boeing 737-900 (739) 6:25 Effective 2025-07-12 through 2025-07-26
Daily 07:25 Las Vegas Harry Reid (LAS) 3 19:20 New York LaGuardia (LGA) B
UA 664 1-stop Boeing 737-900 (739) 8:55 Effective 2025-08-01 through 2025-08-18
Daily 13:55 Chicago O'Hare (ORD) 1 22:00 Newark Liberty, New York (EWR) C
UA 664 1-stop Boeing 737-900 (739) 7:05 Effective from 2026-01-06
Daily 07:00 Las Vegas Harry Reid (LAS) 3 22:00 Newark Liberty, New York (EWR) C
UA 664 2-stop Boeing 737-900 (739) 12:00 Effective from 2026-01-06
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This flight number is listed as serving the following routes:


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United Airlines flight UA 664: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

12:45
Chicago O'Hare (ORD) 1
Valid until 2025-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:45, non-stop
Airbus A321neo (32Q)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

12:43
Chicago O'Hare (ORD) 1
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:43, non-stop
Airbus A321neo (32Q)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

12:44
Chicago O'Hare (ORD) 1
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:44, non-stop
Airbus A321neo (32Q)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

12:44
Chicago O'Hare (ORD) 1
Effective 2025-05-23 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:44, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

12:47
Chicago O'Hare (ORD) 1
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:47, non-stop
Boeing 737-900 (739)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

12:46
Chicago O'Hare (ORD) 1
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:46, non-stop
Boeing 737-900 (739)
United Airlines UA664
07:15
Las Vegas Harry Reid (LAS) 3

12:59
Chicago O'Hare (ORD) 1
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:44, non-stop
Boeing 737-900 (739)
United Airlines UA664
07:25
Las Vegas Harry Reid (LAS) 3

13:09
Chicago O'Hare (ORD) 1
Effective 2025-06-26 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:44, non-stop
Boeing 737-900 (739)
United Airlines UA664
07:25
Las Vegas Harry Reid (LAS) 3

13:09
Chicago O'Hare (ORD) 1
Effective 2025-07-06 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:44, non-stop
Boeing 737-900 (739)
United Airlines UA664
13:55
Chicago O'Hare (ORD) 1

18:08
Fort Lauderdale (FLL) 1
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:13, non-stop
Boeing 737-900 (739)
United Airlines UA664
14:12
Chicago O'Hare (ORD) 1

15:50
Minneapolis/Saint Paul (MSP) 1
Effective 2025-06-28 through 2025-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:38, non-stop
Airbus A320 (320)
United Airlines UA664
14:25
Chicago O'Hare (ORD) 1

16:04
Minneapolis/Saint Paul (MSP) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:39, non-stop
Boeing 737-900 (739)
United Airlines UA664
14:35
Chicago O'Hare (ORD) 1

17:05
John Glenn Columbus (CMH)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Airbus A320 (320)
United Airlines UA664
14:40
Chicago O'Hare (ORD) 1

16:19
Minneapolis/Saint Paul (MSP) 1
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:39, non-stop
Airbus A320 (320)
United Airlines UA664
14:40
Chicago O'Hare (ORD) 1

16:19
Minneapolis/Saint Paul (MSP) 1
Effective 2025-07-06 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:39, non-stop
Airbus A320 (320)
United Airlines UA664
14:53
Chicago O'Hare (ORD) 1

16:35
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:42, non-stop
Boeing 777 (777)
United Airlines UA664
16:00
Chicago O'Hare (ORD) 1

19:20
New York LaGuardia (LGA) B
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-800 (738)
United Airlines UA664
18:45
Fort Lauderdale (FLL) 1

22:00
Newark Liberty, New York (EWR) C
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

17:05
John Glenn Columbus (CMH)
Valid until 2025-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:05, 1-stop
Airbus A321neo (32Q)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

17:05
John Glenn Columbus (CMH)
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:05, 1-stop
Airbus A321neo (32Q)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

16:35
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:35, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

18:08
Fort Lauderdale (FLL) 1
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:08, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:15
Las Vegas Harry Reid (LAS) 3

15:50
Minneapolis/Saint Paul (MSP) 1
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:35, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:25
Las Vegas Harry Reid (LAS) 3

16:19
Minneapolis/Saint Paul (MSP) 1
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:54, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:25
Las Vegas Harry Reid (LAS) 3

15:50
Minneapolis/Saint Paul (MSP) 1
Operates only on 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:25, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:25
Las Vegas Harry Reid (LAS) 3

16:04
Minneapolis/Saint Paul (MSP) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:39, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:25
Las Vegas Harry Reid (LAS) 3

16:19
Minneapolis/Saint Paul (MSP) 1
Effective 2025-07-06 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:54, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:25
Las Vegas Harry Reid (LAS) 3

15:50
Minneapolis/Saint Paul (MSP) 1
Effective 2025-07-12 through 2025-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:25, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:25
Las Vegas Harry Reid (LAS) 3

19:20
New York LaGuardia (LGA) B
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:55, 1-stop
Boeing 737-900 (739)
United Airlines UA664
13:55
Chicago O'Hare (ORD) 1

22:00
Newark Liberty, New York (EWR) C
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:05, 1-stop
Boeing 737-900 (739)
United Airlines UA664
07:00
Las Vegas Harry Reid (LAS) 3

22:00
Newark Liberty, New York (EWR) C
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:00, 2-stop
Boeing 737-900 (739)
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Parallax here -
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Denver (DEN)
  • Chicago O'Hare (ORD) - Fort Lauderdale (FLL)
  • Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
  • Chicago O'Hare (ORD) - Minneapolis/Saint Paul (MSP)
  • Chicago O'Hare (ORD) - New York LaGuardia (LGA)
  • Chicago O'Hare (ORD) - Newark Liberty, New York (EWR)
  • Fort Lauderdale (FLL) - Newark Liberty, New York (EWR)
  • Las Vegas Harry Reid (LAS) - Chicago O'Hare (ORD)
  • Las Vegas Harry Reid (LAS) - Denver (DEN)
  • Las Vegas Harry Reid (LAS) - Fort Lauderdale (FLL)
  • Las Vegas Harry Reid (LAS) - John Glenn Columbus (CMH)
  • Las Vegas Harry Reid (LAS) - Minneapolis/Saint Paul (MSP)
  • Las Vegas Harry Reid (LAS) - New York LaGuardia (LGA)
  • Las Vegas Harry Reid (LAS) - Newark Liberty, New York (EWR)
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