Frontier Airlines flights from Ontario, Los Angeles (ONT) to Guadalajara (GDL).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 00:42 Ontario, Los Angeles (ONT) 05:40 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A321 (321) 2:58 Valid until 2026-01-19
Codeshare flight, operated by Volaris.(Y4 1861)
Tue 00:42 Ontario, Los Angeles (ONT) 05:40 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A320 (320) 2:58 Effective 2026-01-20 through 2026-03-03
Codeshare flight, operated by Volaris.(Y4 1861)
Mon,Wed-Sun 00:42 Ontario, Los Angeles (ONT) 05:40 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A321 (321) 2:58 Effective 2026-01-21 through 2026-03-08
Codeshare flight, operated by Volaris.(Y4 1861)
Daily 00:42 Ontario, Los Angeles (ONT) 04:40 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A320 (320) 2:58 Effective 2026-03-09 through 2026-03-15
Codeshare flight, operated by Volaris.(Y4 1861)
Mon,Wed,Fri,Sun 00:42 Ontario, Los Angeles (ONT) 04:40 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A321 (321) 2:58 Effective 2026-03-16 through 2026-03-22
Codeshare flight, operated by Volaris.(Y4 1861)
Mon,Tue,Thu,Sat 00:42 Ontario, Los Angeles (ONT) 04:40 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A320 (320) 2:58 Effective 2026-03-17 through 2026-03-24
Codeshare flight, operated by Volaris.(Y4 1861)
Wed-Sat 00:42 Ontario, Los Angeles (ONT) 04:40 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A320 (320) 2:58 Effective 2026-03-25 through 2026-03-28
Codeshare flight, operated by Volaris.(Y4 1861)
Mon,Tue,Sun 00:55 Ontario, Los Angeles (ONT) 05:00 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A320 (320) 3:05 Effective 2026-03-29 through 2026-03-31
Codeshare flight, operated by Volaris.(Y4 1861)
Daily 00:55 Ontario, Los Angeles (ONT) 05:00 Guadalajara (GDL)
Frontier Airlines F9 6861 Non-stop Airbus A321 (321) 3:05 Effective 2026-04-01 through 2026-04-13
Codeshare flight, operated by Volaris.(Y4 1861)
Daily 21:13 Ontario, Los Angeles (ONT) 01:18 Guadalajara (GDL)
Frontier Airlines F9 6863 Non-stop Airbus A321 (321) 3:05 Effective 2026-03-29 through 2026-04-13
Codeshare flight, operated by Volaris.(Y4 1863)
The flight arrives 1 day after departure.
Daily 23:02 Ontario, Los Angeles (ONT) 04:00 Guadalajara (GDL)
Frontier Airlines F9 6863 Non-stop Airbus A321 (321) 2:58 Valid until 2026-01-12
Codeshare flight, operated by Volaris.(Y4 1863)
The flight arrives 1 day after departure.
Tue-Sun 23:02 Ontario, Los Angeles (ONT) 04:00 Guadalajara (GDL)
Frontier Airlines F9 6863 Non-stop Airbus A320 (320) 2:58 Effective 2026-01-13 through 2026-03-07
Codeshare flight, operated by Volaris.(Y4 1863)
The flight arrives 1 day after departure.
Mon 23:02 Ontario, Los Angeles (ONT) 04:00 Guadalajara (GDL)
Frontier Airlines F9 6863 Non-stop Airbus A321 (321) 2:58 Effective 2026-01-19 through 2026-03-02
Codeshare flight, operated by Volaris.(Y4 1863)
The flight arrives 1 day after departure.
Daily 23:02 Ontario, Los Angeles (ONT) 03:00 Guadalajara (GDL)
Frontier Airlines F9 6863 Non-stop Airbus A321 (321) 2:58 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Volaris.(Y4 1863)
The flight arrives 1 day after departure.
Tue,Thu-Sun 23:02 Ontario, Los Angeles (ONT) 03:00 Guadalajara (GDL)
Frontier Airlines F9 6863 Non-stop Airbus A320 (320) 2:58 Effective 2026-03-15 through 2026-03-21
Codeshare flight, operated by Volaris.(Y4 1863)
The flight arrives 1 day after departure.
Mon,Wed,Sun 23:02 Ontario, Los Angeles (ONT) 03:00 Guadalajara (GDL)
Frontier Airlines F9 6863 Non-stop Airbus A321 (321) 2:58 Effective 2026-03-16 through 2026-03-23
Codeshare flight, operated by Volaris.(Y4 1863)
The flight arrives 1 day after departure.
Tue-Sat 23:02 Ontario, Los Angeles (ONT) 03:00 Guadalajara (GDL)
Frontier Airlines F9 6863 Non-stop Airbus A321 (321) 2:58 Effective 2026-03-24 through 2026-03-28
Codeshare flight, operated by Volaris.(Y4 1863)
The flight arrives 1 day after departure.




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Frontier Airlines flights from Ontario, Los Angeles (ONT) to Guadalajara (GDL).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Frontier Airlines F96861
00:42
Ontario, Los Angeles (ONT)

05:40
Guadalajara (GDL)
Valid until 2026-01-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 2:58, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Frontier Airlines F96861
00:42
Ontario, Los Angeles (ONT)

05:40
Guadalajara (GDL)
Effective 2026-01-20 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 2:58, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Frontier Airlines F96861
00:42
Ontario, Los Angeles (ONT)

05:40
Guadalajara (GDL)
Effective 2026-01-21 through 2026-03-08
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 2:58, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Frontier Airlines F96861
00:42
Ontario, Los Angeles (ONT)

04:40
Guadalajara (GDL)
Effective 2026-03-09 through 2026-03-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 2:58, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Frontier Airlines F96861
00:42
Ontario, Los Angeles (ONT)

04:40
Guadalajara (GDL)
Effective 2026-03-16 through 2026-03-22
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 2:58, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Frontier Airlines F96861
00:42
Ontario, Los Angeles (ONT)

04:40
Guadalajara (GDL)
Effective 2026-03-17 through 2026-03-24
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 2:58, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Frontier Airlines F96861
00:42
Ontario, Los Angeles (ONT)

04:40
Guadalajara (GDL)
Effective 2026-03-25 through 2026-03-28
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 2:58, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Frontier Airlines F96861
00:55
Ontario, Los Angeles (ONT)

05:00
Guadalajara (GDL)
Effective 2026-03-29 through 2026-03-31
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 3:05, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Frontier Airlines F96861
00:55
Ontario, Los Angeles (ONT)

05:00
Guadalajara (GDL)
Effective 2026-04-01 through 2026-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1861)
Duration: 3:05, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Frontier Airlines F96863
21:13
Ontario, Los Angeles (ONT)

01:18(+1)
Guadalajara (GDL)
Effective 2026-03-29 through 2026-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1863)
Duration: 3:05, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Frontier Airlines F96863
23:02
Ontario, Los Angeles (ONT)

04:00(+1)
Guadalajara (GDL)
Valid until 2026-01-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1863)
Duration: 2:58, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Frontier Airlines F96863
23:02
Ontario, Los Angeles (ONT)

04:00(+1)
Guadalajara (GDL)
Effective 2026-01-13 through 2026-03-07
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1863)
Duration: 2:58, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Frontier Airlines F96863
23:02
Ontario, Los Angeles (ONT)

04:00(+1)
Guadalajara (GDL)
Effective 2026-01-19 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Volaris. (Y4 1863)
Duration: 2:58, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Frontier Airlines F96863
23:02
Ontario, Los Angeles (ONT)

03:00(+1)
Guadalajara (GDL)
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1863)
Duration: 2:58, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Frontier Airlines F96863
23:02
Ontario, Los Angeles (ONT)

03:00(+1)
Guadalajara (GDL)
Effective 2026-03-15 through 2026-03-21
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Volaris. (Y4 1863)
Duration: 2:58, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Frontier Airlines F96863
23:02
Ontario, Los Angeles (ONT)

03:00(+1)
Guadalajara (GDL)
Effective 2026-03-16 through 2026-03-23
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Volaris. (Y4 1863)
Duration: 2:58, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Frontier Airlines F96863
23:02
Ontario, Los Angeles (ONT)

03:00(+1)
Guadalajara (GDL)
Effective 2026-03-24 through 2026-03-28
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Volaris. (Y4 1863)
Duration: 2:58, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
  • An international route departing from Ontario, Los Angeles airport, United States (ONT) and arriving at Guadalajara airport, Mexico (GDL).
  • The flight distance is 1279 miles, or 2058 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 2:58 and 3:05.
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