All airlines flying from Ontario, Los Angeles (ONT) to Houston George Bush (IAH).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 06:00 Ontario, Los Angeles (ONT) 2 11:12 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:12 Effective 2026-01-08 through 2026-01-31
Wed 06:00 Ontario, Los Angeles (ONT) 2 11:14 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Airbus A319 (319) 3:14 Operates only on 2026-02-04
Mon,Thu-Sun 06:00 Ontario, Los Angeles (ONT) 2 11:11 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:11 Effective 2026-02-12 through 2026-03-09
Daily 06:00 Ontario, Los Angeles (ONT) 2 11:11 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:11 Effective 2026-03-10 through 2026-03-28
Daily 06:00 Ontario, Los Angeles (ONT) 2 11:10 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:10 Effective 2026-03-29 through 2026-04-29
Daily 06:02 Ontario, Los Angeles (ONT) 2 10:59 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Airbus A320 (320) 2:57 Effective from 2026-05-21
Daily 06:05 Ontario, Los Angeles (ONT) 2 11:15 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:10 Effective 2026-04-30 through 2026-05-20
Mon,Thu-Sun 06:10 Ontario, Los Angeles (ONT) 2 11:21 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:11 Valid until 2026-01-05
Mon,Fri-Sun 06:10 Ontario, Los Angeles (ONT) 2 11:22 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:12 Effective 2026-02-01 through 2026-02-09
Thu 06:10 Ontario, Los Angeles (ONT) 2 11:24 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Airbus A319 (319) 3:14 Operates only on 2026-02-05
Tue,Wed 08:00 Ontario, Los Angeles (ONT) 2 13:14 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Airbus A319 (319) 3:14 Effective 2026-01-06 through 2026-01-07
Tue 08:00 Ontario, Los Angeles (ONT) 2 13:12 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:12 Effective 2026-01-13 through 2026-01-27
Wed 08:00 Ontario, Los Angeles (ONT) 2 13:14 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Airbus A319 (319) 3:14 Effective 2026-01-14 through 2026-01-21
Tue,Wed 08:00 Ontario, Los Angeles (ONT) 2 13:12 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:12 Effective 2026-01-28 through 2026-02-03
Tue 08:00 Ontario, Los Angeles (ONT) 2 13:12 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Boeing 737-900 (739) 3:12 Operates only on 2026-02-10
Wed 08:00 Ontario, Los Angeles (ONT) 2 13:14 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Airbus A319 (319) 3:14 Operates only on 2026-02-11
Tue,Wed 08:00 Ontario, Los Angeles (ONT) 2 13:12 Houston George Bush (IAH) C
United Airlines UA 1936 Non-stop Airbus A319 (319) 3:12 Effective 2026-02-17 through 2026-03-04
Mon,Fri 13:18 Ontario, Los Angeles (ONT) 18:39 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A321neo (32Q) 3:21 Effective 2026-02-13 through 2026-03-02
Mon,Fri 13:46 Ontario, Los Angeles (ONT) 19:07 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A321neo (32Q) 3:21 Effective 2026-01-23 through 2026-01-30
Mon 13:46 Ontario, Los Angeles (ONT) 19:07 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A320neo (32N) 3:21 Operates only on 2026-02-02
Mon,Fri 13:46 Ontario, Los Angeles (ONT) 19:07 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A321neo (32Q) 3:21 Effective 2026-02-06 through 2026-02-09
Mon,Fri 15:23 Ontario, Los Angeles (ONT) 20:42 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A321neo (32Q) 3:19 Effective 2026-01-16 through 2026-01-19
Sun 15:23 Ontario, Los Angeles (ONT) 20:42 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A321 (321) 3:19 Operates only on 2026-01-18
Mon 15:46 Ontario, Los Angeles (ONT) 21:08 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A321neo (32Q) 3:22 Operates only on 2026-01-12
Fri 15:49 Ontario, Los Angeles (ONT) 21:11 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A320neo (32N) 3:22 Operates only on 2026-01-09
Mon,Fri 16:14 Ontario, Los Angeles (ONT) 21:34 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A321neo (32Q) 3:20 Effective 2026-03-06 through 2026-03-30
Mon,Wed,Fri 18:20 Ontario, Los Angeles (ONT) 23:42 Houston George Bush (IAH) A
Frontier Airlines F9 3132 Non-stop Airbus A320neo (32N) 3:22 Valid until 2026-01-05
Direct Codeshare Flights:
Mon,Fri 13:18 Ontario, Los Angeles (ONT) 18:39 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A321 (321) 3:21 Effective 2026-02-13 through 2026-03-02
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Fri 13:46 Ontario, Los Angeles (ONT) 19:07 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A321 (321) 3:21 Effective 2026-01-23 through 2026-01-30
Codeshare flight, operated by Frontier Airlines.(F9)
Mon 13:46 Ontario, Los Angeles (ONT) 19:07 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A320 (320) 3:21 Operates only on 2026-02-02
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Fri 13:46 Ontario, Los Angeles (ONT) 19:07 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A321 (321) 3:21 Effective 2026-02-06 through 2026-02-09
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Fri,Sun 15:23 Ontario, Los Angeles (ONT) 20:42 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A321 (321) 3:19 Effective 2026-01-16 through 2026-01-19
Codeshare flight, operated by Frontier Airlines.(F9)
Mon 15:46 Ontario, Los Angeles (ONT) 21:08 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A321 (321) 3:22 Operates only on 2026-01-12
Codeshare flight, operated by Frontier Airlines.(F9)
Fri 15:49 Ontario, Los Angeles (ONT) 21:11 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A320 (320) 3:22 Operates only on 2026-01-09
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Fri 16:14 Ontario, Los Angeles (ONT) 21:34 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A321 (321) 3:20 Effective 2026-03-06 through 2026-03-30
Codeshare flight, operated by Frontier Airlines.(F9)
Mon,Wed,Fri 18:20 Ontario, Los Angeles (ONT) 23:42 Houston George Bush (IAH)
Volaris Y4 2562 Non-stop Airbus A320 (320) 3:22 Valid until 2026-01-05
Codeshare flight, operated by Frontier Airlines.(F9)




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All airlines flying from Ontario, Los Angeles (ONT) to Houston George Bush (IAH).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1936
06:00
Ontario, Los Angeles (ONT) 2

11:12
Houston George Bush (IAH) C
Effective 2026-01-08 through 2026-01-31
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
06:00
Ontario, Los Angeles (ONT) 2

11:14
Houston George Bush (IAH) C
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1936
06:00
Ontario, Los Angeles (ONT) 2

11:11
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
06:00
Ontario, Los Angeles (ONT) 2

11:11
Houston George Bush (IAH) C
Effective 2026-03-10 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
06:00
Ontario, Los Angeles (ONT) 2

11:10
Houston George Bush (IAH) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
06:02
Ontario, Los Angeles (ONT) 2

10:59
Houston George Bush (IAH) C
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:57, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1936
06:05
Ontario, Los Angeles (ONT) 2

11:15
Houston George Bush (IAH) C
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
06:10
Ontario, Los Angeles (ONT) 2

11:21
Houston George Bush (IAH) C
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
06:10
Ontario, Los Angeles (ONT) 2

11:22
Houston George Bush (IAH) C
Effective 2026-02-01 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 3:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
06:10
Ontario, Los Angeles (ONT) 2

11:24
Houston George Bush (IAH) C
Operates only on 2026-02-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1936
08:00
Ontario, Los Angeles (ONT) 2

13:14
Houston George Bush (IAH) C
Effective 2026-01-06 through 2026-01-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1936
08:00
Ontario, Los Angeles (ONT) 2

13:12
Houston George Bush (IAH) C
Effective 2026-01-13 through 2026-01-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
08:00
Ontario, Los Angeles (ONT) 2

13:14
Houston George Bush (IAH) C
Effective 2026-01-14 through 2026-01-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1936
08:00
Ontario, Los Angeles (ONT) 2

13:12
Houston George Bush (IAH) C
Effective 2026-01-28 through 2026-02-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
08:00
Ontario, Los Angeles (ONT) 2

13:12
Houston George Bush (IAH) C
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1936
08:00
Ontario, Los Angeles (ONT) 2

13:14
Houston George Bush (IAH) C
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1936
08:00
Ontario, Los Angeles (ONT) 2

13:12
Houston George Bush (IAH) C
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Airbus A319 (319)
Direct Flights:
Frontier Airlines F93132
13:18
Ontario, Los Angeles (ONT)

18:39
Houston George Bush (IAH) A
Effective 2026-02-13 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93132
13:46
Ontario, Los Angeles (ONT)

19:07
Houston George Bush (IAH) A
Effective 2026-01-23 through 2026-01-30
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93132
13:46
Ontario, Los Angeles (ONT)

19:07
Houston George Bush (IAH) A
Operates only on 2026-02-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93132
13:46
Ontario, Los Angeles (ONT)

19:07
Houston George Bush (IAH) A
Effective 2026-02-06 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:21, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93132
15:23
Ontario, Los Angeles (ONT)

20:42
Houston George Bush (IAH) A
Effective 2026-01-16 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:19, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93132
15:23
Ontario, Los Angeles (ONT)

20:42
Houston George Bush (IAH) A
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:19, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F93132
15:46
Ontario, Los Angeles (ONT)

21:08
Houston George Bush (IAH) A
Operates only on 2026-01-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:22, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93132
15:49
Ontario, Los Angeles (ONT)

21:11
Houston George Bush (IAH) A
Operates only on 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:22, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93132
16:14
Ontario, Los Angeles (ONT)

21:34
Houston George Bush (IAH) A
Effective 2026-03-06 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:20, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93132
18:20
Ontario, Los Angeles (ONT)

23:42
Houston George Bush (IAH) A
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:22, non-stop
Airbus A320neo (32N)
Direct Codeshare Flights:
Volaris Y42562
13:18
Ontario, Los Angeles (ONT)

18:39
Houston George Bush (IAH)
Effective 2026-02-13 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:21, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42562
13:46
Ontario, Los Angeles (ONT)

19:07
Houston George Bush (IAH)
Effective 2026-01-23 through 2026-01-30
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:21, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42562
13:46
Ontario, Los Angeles (ONT)

19:07
Houston George Bush (IAH)
Operates only on 2026-02-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:21, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42562
13:46
Ontario, Los Angeles (ONT)

19:07
Houston George Bush (IAH)
Effective 2026-02-06 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:21, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42562
15:23
Ontario, Los Angeles (ONT)

20:42
Houston George Bush (IAH)
Effective 2026-01-16 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:19, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42562
15:46
Ontario, Los Angeles (ONT)

21:08
Houston George Bush (IAH)
Operates only on 2026-01-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:22, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42562
15:49
Ontario, Los Angeles (ONT)

21:11
Houston George Bush (IAH)
Operates only on 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:22, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Volaris Y42562
16:14
Ontario, Los Angeles (ONT)

21:34
Houston George Bush (IAH)
Effective 2026-03-06 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:20, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Volaris Y42562
18:20
Ontario, Los Angeles (ONT)

23:42
Houston George Bush (IAH)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Frontier Airlines.(F9)
Duration: 3:22, non-stop
Airbus A320 (320)
  • A domestic route departing from the Ontario, Los Angeles airport (ONT) and arriving at Houston George Bush airport (IAH).
  • The flight distance is 1331 miles, or 2142 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:57 and 3:22.
Return (IAH-ONT) flights
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