Flight OddsAS519 SAT → SEA
Alaska Airlines · San Antonio, TX to Seattle, WA · 51 flights observed, 2025-11-22 to 2026-06-30 · 1,774 mi
AS519 covers more than one route in the data window — the stats below are for SAT → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-5 min
90th percentile
+36 min
Cancellation rate
2%
How often is AS519 on time?
Across 51 flights on SAT → SEA from 2025-11-22 to 2026-06-30, AS519 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +36 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 39 | 78% |
| 16-30 min | 4 | 8% |
| 31-60 min | 4 | 8% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 9 | 78% | -10 min |
| 2025-12 | 15 | 73% | +10 min |
| 2026-01 | 5 | 80% | +2 min |
| 2026-06 | 21 | 81% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 7 | 86% |
| Wed | 6 | 67% |
| Thu | 7 | 86% |
| Fri | 7 | 71% |
| Sat | 7 | 86% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…