Flight OddsSEA → DCA Alaska Airlines
Alaska Airlines · Seattle, WA to Washington, DC · 729 flights, 2025-07-01 to 2026-06-30 · aggregated across 2 flight numbers
On-time arrival
77%
Median delay
-12 min
90th percentile
+47 min
Cancellation rate
1%
How on-time is Alaska Airlines from SEA to DCA?
Across every Alaska Airlines flight number on SEA → DCA (729 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +47 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 547 | 77% |
| 16-30 min | 47 | 7% |
| 31-60 min | 61 | 9% |
| 61-120 min | 37 | 5% |
| 2+ hrs | 17 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 56 | 59% | +34 min |
| 2025-08 | 60 | 68% | +9 min |
| 2025-09 | 59 | 66% | +13 min |
| 2025-10 | 62 | 84% | -4 min |
| 2025-11 | 55 | 75% | +6 min |
| 2025-12 | 61 | 85% | -11 min |
| 2026-01 | 58 | 78% | +10 min |
| 2026-02 | 56 | 71% | -4 min |
| 2026-03 | 60 | 80% | -8 min |
| 2026-04 | 60 | 90% | -17 min |
| 2026-05 | 62 | 89% | -17 min |
| 2026-06 | 60 | 78% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 100 | 72% |
| Tue | 104 | 80% |
| Wed | 103 | 81% |
| Thu | 102 | 75% |
| Fri | 100 | 72% |
| Sat | 101 | 87% |
| Sun | 99 | 74% |
AS flight numbers on SEA → DCA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…