Flight OddsDCA → SEA Alaska Airlines
Alaska Airlines · Washington, DC to Seattle, WA · 729 flights, 2025-07-01 to 2026-06-30 · aggregated across 2 flight numbers
On-time arrival
77%
Median delay
-7 min
90th percentile
+38 min
Cancellation rate
1%
How on-time is Alaska Airlines from DCA to SEA?
Across every Alaska Airlines flight number on DCA → SEA (729 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +38 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 555 | 77% |
| 16-30 min | 64 | 9% |
| 31-60 min | 58 | 8% |
| 61-120 min | 26 | 4% |
| 2+ hrs | 14 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 59 | 61% | +27 min |
| 2025-08 | 61 | 90% | -13 min |
| 2025-09 | 60 | 93% | -14 min |
| 2025-10 | 62 | 79% | -2 min |
| 2025-11 | 59 | 83% | -2 min |
| 2025-12 | 62 | 48% | +21 min |
| 2026-01 | 58 | 79% | -3 min |
| 2026-02 | 56 | 66% | +7 min |
| 2026-03 | 59 | 61% | +23 min |
| 2026-04 | 60 | 93% | -7 min |
| 2026-05 | 62 | 89% | -10 min |
| 2026-06 | 59 | 85% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 101 | 80% |
| Tue | 105 | 80% |
| Wed | 104 | 73% |
| Thu | 102 | 75% |
| Fri | 102 | 76% |
| Sat | 102 | 86% |
| Sun | 101 | 71% |
AS flight numbers on DCA → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…