Flights Ontario to Denver ONT to DEN

Flights from Ontario (ONT) to Denver (DEN): 5 airlines operate 81 flight numbers on this route, about 26 flights a week, distance 1316 km / 818 miles. The next departure is UA1263 (United Airlines) on Tue, Nov 3 at 13:29 PST (21:29 GMT).

Airlines and flight numbers count operating flights from a year ago to a year ahead; code-share numbers are not counted. On time means landed less than 15 minutes late.

ONT Ontario Ontario International Airport DEN Denver Denver International Airport
Route map ONT to DEN Great-circle route from Ontario International Airport, United States to Denver International Airport, United States, 1316 km. Map data: Natural Earth. ONT DEN Map data: Natural Earth

Ontario to Denver Flights

The 30 most recent of 81 flight numbers from ONT to DEN, with the date each last flew. Local times: ONT PST, DEN MST.

Flight Airline Last seen Departure Arrival
WN1383 Southwest Airlines Nov 3, 2026 13:55 17:05
UA1263 United Airlines Nov 3, 2026 13:29 16:45
F91262 Frontier Airlines Nov 3, 2026 11:52 15:13
WN2432 Southwest Airlines Nov 3, 2026 10:05 13:20
WN3300 Southwest Airlines Nov 3, 2026 06:50 10:00
F91500 Frontier Airlines Nov 3, 2026 06:25 09:46
UA2446 United Airlines Nov 3, 2026 05:00 08:17
WN2316 Southwest Airlines Nov 2, 2026 14:45 18:00
WN4655 Southwest Airlines Nov 2, 2026 13:20 16:35
WN2190 Southwest Airlines Oct 31, 2026 12:35 15:45
WN2189 Southwest Airlines Oct 31, 2026 10:05 13:15
WN2188 Southwest Airlines Oct 31, 2026 06:20 09:30
WN3264 Southwest Airlines Oct 30, 2026 14:50 18:00
WN3291 Southwest Airlines Oct 30, 2026 12:40 15:50
WN3263 Southwest Airlines Oct 30, 2026 08:05 11:15
WN4115 Southwest Airlines Oct 30, 2026 05:40 08:55
WN956 Southwest Airlines Oct 28, 2026 14:00 17:10
F92908 Frontier Airlines Oct 26, 2026 11:52 15:18
WN1758 Southwest Airlines Oct 25, 2026 17:40 20:50
WN3288 Southwest Airlines Oct 25, 2026 14:50 18:00
WN2102 Southwest Airlines Oct 25, 2026 09:45 12:55
WN2154 Southwest Airlines Oct 24, 2026 12:45 15:55
WN1782 Southwest Airlines Oct 24, 2026 08:55 12:05
WN3529 Southwest Airlines Oct 24, 2026 06:50 10:00
UA3906 United Airlines Oct 14, 2026 08:00 11:21
UA3903 United Airlines Oct 13, 2026 06:00 09:14
WN8500 Southwest Airlines Oct 4, 2026 14:40 17:42
WN196 Southwest Airlines Sep 30, 2026 13:50 17:05
WN1082 Southwest Airlines Sep 30, 2026 10:55 14:05
WN4604 Southwest Airlines Sep 30, 2026 07:00 10:15

Upcoming flights

Local times at the departure airport.
Flight From To Scheduled Departure Status Details
UA1263 Ontario ONT Denver DEN 13:29 Scheduled Track >
WN1383 Ontario ONT Denver DEN 13:55 Scheduled Track >

Recent flights

Local times at the departure airport.
Flight From To Date Scheduled Departure Status Details
F91262 Ontario ONT Denver DEN Nov 03 11:52 11:56 En-Route Track >
WN2432 Ontario ONT Denver DEN Nov 03 10:05 10:16 Landed Track >
WN3300 Ontario ONT Denver DEN Nov 03 06:50 07:31 Landed Track >
F91500 Ontario ONT Denver DEN Nov 03 06:25 06:27 Landed Track >
UA2446 Ontario ONT Denver DEN Nov 03 05:00 05:05 Landed Track >
WN2316 Ontario ONT Denver DEN Nov 02 14:45 15:09 Landed Track >
UA1263 Ontario ONT Denver DEN Nov 02 13:29 13:35 Landed Track >
WN4655 Ontario ONT Denver DEN Nov 02 13:20 13:40 Landed Track >
F91262 Ontario ONT Denver DEN Nov 02 11:52 11:49 Landed Track >
WN2432 Ontario ONT Denver DEN Nov 02 08:05 08:13 Landed Track >
WN2432 Ontario ONT Denver DEN Nov 02 08:05 Scheduled Track >
WN3300 Ontario ONT Denver DEN Nov 02 06:30 06:46 Diverted Track >
F91500 Ontario ONT Denver DEN Nov 02 06:30 06:35 Landed Track >
WN3300 Ontario ONT Denver DEN Nov 02 06:30 Scheduled Track >
F91500 Ontario ONT Denver DEN Nov 02 06:30 Scheduled Track >

Airlines flying ONT to DEN

ONT to DEN FAQ

How long is the flight from Ontario to Denver?
About 1 h 50 min: that is the median flight time of the last 10 flights that landed; the timetable allows 2 h 15 min.
Which airlines fly from Ontario to Denver?
Southwest Airlines, United Airlines, Frontier Airlines, Air Transport International and Volaris have flights from Ontario (ONT) to Denver (DEN) between a year ago and a year ahead. An airline listed may not fly the route every day.
How many flights a week go from Ontario to Denver?
About 26 flights a week, counted over the two weeks before and after today. Only operating flights are counted, not code-share numbers.
Are flights from Ontario to Denver on time?
10 of the last 10 flights that landed arrived less than 15 minutes after their scheduled time.
How far is Ontario from Denver?
1316 km (818 miles) in a straight line between Ontario International Airport and Denver International Airport.

Denver (DEN) to Ontario (ONT) flights >