United Airlines flight UA 636: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 11:56 Hayden (HDN) 15:48 Chicago O'Hare (ORD) 1
UA 636 Non-stop Airbus A319 (319) 2:52 Effective 2026-02-12 through 2026-03-04
Daily 12:01 Hayden (HDN) 16:02 Chicago O'Hare (ORD) 1
UA 636 Non-stop Boeing 737 MAX 8 (7M8) 3:01 Effective 2026-01-06 through 2026-02-11
Daily 12:01 Hayden (HDN) 15:53 Chicago O'Hare (ORD) 1
UA 636 Non-stop Airbus A319 (319) 2:52 Effective 2026-03-05 through 2026-03-28
Daily 12:40 Missoula (MSO) 17:00 Chicago O'Hare (ORD) 1
UA 636 Non-stop Boeing 737-800 (738) 3:20 Effective 2026-05-21 through 2026-08-17
Daily 13:00 Hayden (HDN) 16:53 Chicago O'Hare (ORD) 1
UA 636 Non-stop Airbus A319 (319) 2:53 Effective 2026-03-29 through 2026-04-05
Sat 14:23 Pensacola (PNS) 16:57 Chicago O'Hare (ORD) 1
UA 636 Non-stop Boeing 737 MAX 8 (7M8) 2:34 Valid until 2026-01-03
Mon-Fri,Sun 14:33 Pensacola (PNS) 17:07 Chicago O'Hare (ORD) 1
UA 636 Non-stop Boeing 737-800 (738) 2:34 Valid until 2026-01-05
Tue 18:09 Chicago O'Hare (ORD) 1 21:29 Burlington (BTV)
UA 636 Non-stop Boeing 737-800 (738) 2:20 Effective 2026-01-06 through 2026-02-10
Mon,Wed-Sun 18:09 Chicago O'Hare (ORD) 1 21:29 Burlington (BTV)
UA 636 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2026-01-07 through 2026-02-11
Wed,Thu,Sun 18:10 Chicago O'Hare (ORD) 1 21:23 Burlington (BTV)
UA 636 Non-stop Boeing 737-900 (739) 2:13 Effective 2026-02-12 through 2026-02-19
Fri 18:10 Chicago O'Hare (ORD) 1 21:23 Burlington (BTV)
UA 636 Non-stop Boeing 737-800 (738) 2:13 Operates only on 2026-02-13
Mon,Tue 18:10 Chicago O'Hare (ORD) 1 21:24 Burlington (BTV)
UA 636 Non-stop Airbus A320 (320) 2:14 Effective 2026-02-16 through 2026-03-03
Wed-Fri 18:10 Chicago O'Hare (ORD) 1 21:23 Burlington (BTV)
UA 636 Non-stop Boeing 737-900 (739) 2:13 Effective 2026-02-20 through 2026-02-27
Sun 18:10 Chicago O'Hare (ORD) 1 21:23 Burlington (BTV)
UA 636 Non-stop Boeing 737 MAX 9 (7M9) 2:13 Operates only on 2026-02-22
Wed,Sun 18:10 Chicago O'Hare (ORD) 1 21:23 Burlington (BTV)
UA 636 Non-stop Boeing 737-900 (739) 2:13 Effective 2026-03-01 through 2026-03-04
Sat 18:15 Chicago O'Hare (ORD) 1 21:28 Burlington (BTV)
UA 636 Non-stop Boeing 737-900 (739) 2:13 Effective 2026-02-14 through 2026-02-28
Tue-Sun 18:15 Chicago O'Hare (ORD) 1 21:23 Burlington (BTV)
UA 636 Non-stop Boeing 737-900 (739) 2:08 Effective 2026-03-05 through 2026-03-28
Mon 18:20 Chicago O'Hare (ORD) 1 21:28 Burlington (BTV)
UA 636 Non-stop Boeing 737 MAX 9 (7M9) 2:08 Effective 2026-03-09 through 2026-03-23
Daily 18:23 Chicago O'Hare (ORD) 1 21:43 Burlington (BTV)
UA 636 Non-stop Airbus A320 (320) 2:20 Effective 2026-03-29 through 2026-04-29
Daily 18:30 Chicago O'Hare (ORD) 1 21:45 Burlington (BTV)
UA 636 Non-stop Boeing 737-900 (739) 2:15 Effective 2026-04-30 through 2026-05-20
Daily 18:30 Chicago O'Hare (ORD) 1 21:45 Burlington (BTV)
UA 636 Non-stop Boeing 737-800 (738) 2:15 Effective from 2026-05-21
Daily 18:35 Chicago O'Hare (ORD) 1 21:55 Burlington (BTV)
UA 636 Non-stop Boeing 737-900 (739) 2:20 Valid until 2026-01-04
Mon 18:35 Chicago O'Hare (ORD) 1 21:55 Burlington (BTV)
UA 636 Non-stop Airbus A320 (320) 2:20 Operates only on 2026-01-05
Non-Direct Flights:
Wed-Fri,Sun 11:56 Hayden (HDN) 21:23 Burlington (BTV)
UA 636 1-stop Airbus A319 (319) 7:27 Effective 2026-02-12 through 2026-03-04
Sat 11:56 Hayden (HDN) 21:28 Burlington (BTV)
UA 636 1-stop Airbus A319 (319) 7:32 Effective 2026-02-14 through 2026-02-28
Mon,Tue 11:56 Hayden (HDN) 21:24 Burlington (BTV)
UA 636 1-stop Airbus A319 (319) 7:28 Effective 2026-02-16 through 2026-03-03
Daily 12:01 Hayden (HDN) 21:29 Burlington (BTV)
UA 636 1-stop Boeing 737 MAX 8 (7M8) 7:28 Effective 2026-01-06 through 2026-02-11
Tue-Sun 12:01 Hayden (HDN) 21:23 Burlington (BTV)
UA 636 1-stop Airbus A319 (319) 7:22 Effective 2026-03-05 through 2026-03-28
Mon 12:01 Hayden (HDN) 21:28 Burlington (BTV)
UA 636 1-stop Airbus A319 (319) 7:27 Effective 2026-03-09 through 2026-03-23
Daily 12:40 Missoula (MSO) 21:45 Burlington (BTV)
UA 636 1-stop Boeing 737-800 (738) 7:05 Effective 2026-05-21 through 2026-08-17
Daily 13:00 Hayden (HDN) 21:43 Burlington (BTV)
UA 636 1-stop Airbus A319 (319) 6:43 Effective 2026-03-29 through 2026-04-05
Sat 14:23 Pensacola (PNS) 21:55 Burlington (BTV)
UA 636 1-stop Boeing 737 MAX 8 (7M8) 6:32 Valid until 2026-01-03
Mon-Fri,Sun 14:33 Pensacola (PNS) 21:55 Burlington (BTV)
UA 636 1-stop Boeing 737-800 (738) 6:22 Valid until 2026-01-05
This flight number is listed as serving the following routes:


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United Airlines flight UA 636: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA636
11:56
Hayden (HDN)

15:48
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA636
12:01
Hayden (HDN)

16:02
Chicago O'Hare (ORD) 1
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA636
12:01
Hayden (HDN)

15:53
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA636
12:40
Missoula (MSO)

17:00
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:20, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA636
13:00
Hayden (HDN)

16:53
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA636
14:23
Pensacola (PNS)

16:57
Chicago O'Hare (ORD) 1
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:34, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA636
14:33
Pensacola (PNS)

17:07
Chicago O'Hare (ORD) 1
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA636
18:09
Chicago O'Hare (ORD) 1

21:29
Burlington (BTV)
Effective 2026-01-06 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA636
18:09
Chicago O'Hare (ORD) 1

21:29
Burlington (BTV)
Effective 2026-01-07 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA636
18:10
Chicago O'Hare (ORD) 1

21:23
Burlington (BTV)
Effective 2026-02-12 through 2026-02-19
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:13, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA636
18:10
Chicago O'Hare (ORD) 1

21:23
Burlington (BTV)
Operates only on 2026-02-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:13, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA636
18:10
Chicago O'Hare (ORD) 1

21:24
Burlington (BTV)
Effective 2026-02-16 through 2026-03-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:14, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA636
18:10
Chicago O'Hare (ORD) 1

21:23
Burlington (BTV)
Effective 2026-02-20 through 2026-02-27
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:13, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA636
18:10
Chicago O'Hare (ORD) 1

21:23
Burlington (BTV)
Operates only on 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:13, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA636
18:10
Chicago O'Hare (ORD) 1

21:23
Burlington (BTV)
Effective 2026-03-01 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:13, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA636
18:15
Chicago O'Hare (ORD) 1

21:28
Burlington (BTV)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:13, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA636
18:15
Chicago O'Hare (ORD) 1

21:23
Burlington (BTV)
Effective 2026-03-05 through 2026-03-28
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA636
18:20
Chicago O'Hare (ORD) 1

21:28
Burlington (BTV)
Effective 2026-03-09 through 2026-03-23
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:08, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA636
18:23
Chicago O'Hare (ORD) 1

21:43
Burlington (BTV)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA636
18:30
Chicago O'Hare (ORD) 1

21:45
Burlington (BTV)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA636
18:30
Chicago O'Hare (ORD) 1

21:45
Burlington (BTV)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA636
18:35
Chicago O'Hare (ORD) 1

21:55
Burlington (BTV)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:20, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA636
18:35
Chicago O'Hare (ORD) 1

21:55
Burlington (BTV)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:20, non-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA636
11:56
Hayden (HDN)

21:23
Burlington (BTV)
Effective 2026-02-12 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:27, 1-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA636
11:56
Hayden (HDN)

21:28
Burlington (BTV)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:32, 1-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA636
11:56
Hayden (HDN)

21:24
Burlington (BTV)
Effective 2026-02-16 through 2026-03-03
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:28, 1-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA636
12:01
Hayden (HDN)

21:29
Burlington (BTV)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:28, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA636
12:01
Hayden (HDN)

21:23
Burlington (BTV)
Effective 2026-03-05 through 2026-03-28
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:22, 1-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA636
12:01
Hayden (HDN)

21:28
Burlington (BTV)
Effective 2026-03-09 through 2026-03-23
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:27, 1-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA636
12:40
Missoula (MSO)

21:45
Burlington (BTV)
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:05, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA636
13:00
Hayden (HDN)

21:43
Burlington (BTV)
Effective 2026-03-29 through 2026-04-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:43, 1-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA636
14:23
Pensacola (PNS)

21:55
Burlington (BTV)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:32, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA636
14:33
Pensacola (PNS)

21:55
Burlington (BTV)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:22, 1-stop
Boeing 737-800 (738)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Burlington (BTV)
  • Hayden (HDN) - Burlington (BTV)
  • Hayden (HDN) - Chicago O'Hare (ORD)
  • Missoula (MSO) - Burlington (BTV)
  • Missoula (MSO) - Chicago O'Hare (ORD)
  • Pensacola (PNS) - Burlington (BTV)
  • Pensacola (PNS) - Chicago O'Hare (ORD)
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