About 1 in 3 AS 379 flights from Baltimore arrived 15+ minutes late, diverted or cancelled over the past year (38%); 0.6% were cancelled. The typical flight landed 5 minutes late.
AS 379: BWI → SEA
Scheduled to leave Baltimore at 6:07 p.m. local time. Over the past year it arrived on time 62% of the time (336 flights), in line with other AS flights on the route at that hour (63%). Last seen in the data Aug 31, 2026.
Usually Alaska Airlines's last flight of the day from Baltimore to Seattle (69% of days). Alaska Airlines's last BWI–SEA flight was cancelled 0.9% of the time, against 0.9% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 7:03 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 64% |
| Tuesday | 46 | 65% |
| Wednesday | 47 | 66% |
| Thursday | 51 | 53% |
| Friday | 51 | 61% |
| Saturday | 39 | 62% |
| Sunday | 49 | 61% |
Why it was late
All flights BWI → SEA · Connecting off AS 379? Check the risk
Questions
How often is AS 379 from BWI to SEA late?
Alaska Airlines 379 from Baltimore, MD to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 38% of 336 scheduled flights between September 2025 and August 2026. 0.6% 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.