About 1 in 5 AS 542 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (21%); 0.5% were cancelled. The typical flight landed 8 minutes early.
AS 542: SEA → DFW
Scheduled to leave Seattle at 11:03 p.m. local time. Over the past year it arrived on time 79% of the time (196 flights), worse than other AS flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 33 | 76% |
| Tuesday | 29 | 97% |
| Wednesday | 23 | 87% |
| Thursday | 26 | 81% |
| Friday | 31 | 81% |
| Saturday | 26 | 69% |
| Sunday | 28 | 64% |
Why it was late
All flights SEA → DFW · Connecting off AS 542? Check the risk
Questions
How often is AS 542 from SEA to DFW late?
Alaska Airlines 542 from Seattle, WA to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 21% of 196 scheduled flights between September 2025 and August 2026. 0.5% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.