Flights from Seattle to Denver

Schedule, today's status and punctuality of flights from Seattle to Denver, from the official airport boards. Times are local to each airport.

Flights on 4 October 2026

Flight	Departure	Arrival	Status
WN3753Southwest Airlines	06:30	01:00	Departed
AS682Alaska Airlines	07:08	~~08:45~~ 08:24	Landed
UA1505United Airlines	08:30	~~10:10~~ 10:05	Landed
DL1358Delta Air Lines	08:55	~~11:02~~ 10:40	Landed
AS535Alaska Airlines	10:13	~~12:22~~ 12:46	Landed
WN3754Southwest Airlines	10:30	~~12:45~~ 12:47	Landed
UA2033United Airlines	12:43	08:45	Departed
AS535Alaska Airlines	—	~~14:08~~ 13:56	Scheduled
WN3754Southwest Airlines	—	~~14:10~~ 14:42	Delayed 32 min
AS602Alaska Airlines	13:16	09:30	Scheduled
DL2543Delta Air LinesAlso sold as KE3013, AF6811, KL7354, WS8091	~~13:39~~ 13:50	16:59	Delayed 11 min
WN1860Southwest Airlines	~~14:25~~ 14:37	11:02	Delayed 12 min
UA333United Airlines	14:27	19:45	Scheduled
UA757United AirlinesAlso sold as NH7376	15:55	~~12:45~~ 12:34	Scheduled
F93406Frontier Airlines	16:27	20:21	Scheduled
UA1218United Airlines	18:05	21:49	Scheduled
AS310Alaska Airlines	18:54	22:37	Scheduled
DL2851Delta Air Lines	—	~~23:47~~ 23:43	Scheduled

Local times: departure in the departure airport's time, arrival in the arrival airport's. Struck through: the scheduled time.

From the last 28 days of boards: usual departure time, the weekdays it flew and the share of on-time departures (within 15 min).

Which airlines fly from Seattle to Denver?: Alaska Airlines, Southwest Airlines, United Airlines, Delta Air Lines, Frontier Airlines.
How many flights a week are there from Seattle to Denver?: About <1 a week over the last 28 days of boards. Flight numbers on the route: 16.
How long is the flight from Seattle to Denver?: About 2 h 44 min by the schedule. The airports are 1645 km apart.