United Airlines
flight
UA 2638:
Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2638
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 2:31, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2638
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:28, non-stop
Airbus A319 (319)
Airbus A319 (319)
Direct Flights:
United Airlines UA2638
Effective 2026-01-07 through 2026-01-08
Mon
-
-
Tue
-
-
Wed
Thu
Fri
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-
Sat
-
-
Sun
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-
Duration: 2:29, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2638
Effective 2026-01-09 through 2026-01-30
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 2:29, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2638
Effective 2026-01-11 through 2026-01-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 2:30, non-stop
Airbus A319 (319)
Airbus A319 (319)
Direct Flights:
United Airlines UA2638
Effective 2026-01-14 through 2026-01-29
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:29, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2638
Operates only on 2026-01-25
Mon
-
-
Tue
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Wed
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-
Thu
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-
Fri
-
-
Sat
-
-
Sun
Duration: 2:30, non-stop
Airbus A320 (320)
Airbus A320 (320)
Direct Flights:
United Airlines UA2638
Operates only on 2026-01-31
Mon
-
-
Tue
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-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
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-
Duration: 2:29, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2638
Effective 2026-02-01 through 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 2:30, non-stop
Airbus A319 (319)
Airbus A319 (319)
Direct Flights:
United Airlines UA2638
Effective 2026-02-02 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 2:29, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2638
Operates only on 2026-02-05
Mon
-
-
Tue
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Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:29, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2638
Operates only on 2026-02-11
Mon
-
-
Tue
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-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:29, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2638
Operates only on 2026-02-12
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 2:31, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2638
Effective 2026-02-13 through 2026-03-02
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Duration: 2:31, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2638
Effective 2026-03-07 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 2:30, non-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2638
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:28, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2638
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:29, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2638
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:10, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2638
Valid until 2026-01-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2638
Operates only on 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 3:05, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2638
Effective 2026-01-11 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2638
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2638
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2638
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:03, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2638
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA2638
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:43, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2638
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:41, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2638
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:58, non-stop
Airbus A320 (320)
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 8:40, 1-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:38, 1-stop
Airbus A319 (319)
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-01-07 through 2026-01-08
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 8:25, 1-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-01-09 through 2026-01-30
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 8:25, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-01-11 through 2026-01-18
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 8:25, 1-stop
Airbus A319 (319)
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-01-14 through 2026-01-29
Mon
-
-
Tue
-
-
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 8:25, 1-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2638
Operates only on 2026-01-25
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 8:25, 1-stop
Airbus A320 (320)
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA2638
Operates only on 2026-01-31
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 8:25, 1-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-02-01 through 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 8:25, 1-stop
Airbus A319 (319)
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-02-02 through 2026-02-09
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
-
-
Duration: 8:25, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA2638
Operates only on 2026-02-05
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 8:25, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2638
Operates only on 2026-02-11
Mon
-
-
Tue
-
-
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 8:25, 1-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2638
Operates only on 2026-02-12
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 8:11, 1-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-02-13 through 2026-03-02
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
Sun
Duration: 8:11, 1-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-03-07 through 2026-03-28
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 8:10, 1-stop
Boeing 737-700 (73G)
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:09, 1-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2638
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:09, 1-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA2638
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:40, 1-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:08, 1-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA2638
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:30, 1-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2638
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 16:13, 2-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2638
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 15:27, 2-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Houston George Bush (IAH)
- Chicago O'Hare (ORD) - Seattle-Tacoma (SEA)
- Houston George Bush (IAH) - Seattle-Tacoma (SEA)
- Raleigh/Durham (RDU) - Chicago O'Hare (ORD)
- Raleigh/Durham (RDU) - Houston George Bush (IAH)
- Raleigh/Durham (RDU) - Seattle-Tacoma (SEA)