Flight OddsAS1 DCA → SEA
Alaska Airlines · Washington, DC to Seattle, WA · 365 flights observed, 2025-07-01 to 2026-06-30 · 2,329 mi
On-time arrival
81%
Median delay
-8 min
90th percentile
+31 min
Cancellation rate
1%
How often is AS1 on time?
Across 365 flights on DCA → SEA from 2025-07-01 to 2026-06-30, AS1 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +31 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 291 | 81% |
| 16-30 min | 31 | 9% |
| 31-60 min | 25 | 7% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 68% | +10 min |
| 2025-08 | 31 | 90% | -10 min |
| 2025-09 | 30 | 90% | -15 min |
| 2025-10 | 31 | 84% | -6 min |
| 2025-11 | 30 | 90% | -4 min |
| 2025-12 | 31 | 42% | +33 min |
| 2026-01 | 28 | 71% | 0 min |
| 2026-02 | 28 | 75% | -1 min |
| 2026-03 | 29 | 79% | +8 min |
| 2026-04 | 30 | 100% | -15 min |
| 2026-05 | 31 | 97% | -9 min |
| 2026-06 | 30 | 83% | +0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 86% |
| Tue | 52 | 79% |
| Wed | 52 | 75% |
| Thu | 52 | 79% |
| Fri | 51 | 76% |
| Sat | 51 | 86% |
| Sun | 51 | 84% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…