SEA to BUR Flight Delays Today & Most Reliable Flights

72% of SEA → BUR flights arrived on time in June-August 2026 (479 flights). The most reliable was AS 488, on time 94% of the time on this route. Morning flights did best (84%), evening flights worst (55%). Seattle (SEA): no delay reported. Burbank (BUR): no delay reported.

Best time of day to fly SEA → BUR

Morning (before noon)	84%
Afternoon (noon-5 PM)	66%
Evening (after 5 PM)	55%

Flights SEA → BUR, most reliable first

Flight	Departs	On time on this route	Late avg	Cancelled
AS 488 Alaska Airlines	6:40 AM	94%	58m	6.2%
AS 426 Alaska Airlines	9:43 AM	88%	45m	2.2%
AS 1585 Alaska Airlines	5:58 PM	75%	37m	0%
AS 1372 Alaska Airlines	5:58 PM	75%	45m	2.1%
AS 529 Alaska Airlines	11:20 AM	71%	41m	3.3%
AS 331 Alaska Airlines	3:10 PM	63%	40m	2%
AS 1408 Alaska Airlines	7:23 PM	37%	44m	0%

SEA conditions · BUR conditions · BUR → SEA · Cancellations

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From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.