Flight OddsAS305 SEA → MIA
Alaska Airlines · Seattle, WA to Miami, FL · 240 flights observed, 2025-07-01 to 2026-06-30 · 2,724 mi
AS305 covers more than one route in the data window — the stats below are for SEA → MIA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-4 min
90th percentile
+28 min
Cancellation rate
0%
How often is AS305 on time?
Across 240 flights on SEA → MIA from 2025-07-01 to 2026-06-30, AS305 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +28 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 185 | 78% |
| 16-30 min | 30 | 13% |
| 31-60 min | 16 | 7% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 62% | +15 min |
| 2025-08 | 7 | 57% | +19 min |
| 2025-11 | 10 | 70% | +6 min |
| 2025-12 | 17 | 76% | +8 min |
| 2026-01 | 25 | 76% | -2 min |
| 2026-02 | 28 | 86% | -6 min |
| 2026-03 | 31 | 68% | +15 min |
| 2026-04 | 29 | 76% | -6 min |
| 2026-05 | 31 | 97% | -22 min |
| 2026-06 | 30 | 90% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 33 | 76% |
| Tue | 34 | 85% |
| Wed | 35 | 77% |
| Thu | 34 | 85% |
| Fri | 34 | 68% |
| Sat | 34 | 82% |
| Sun | 33 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…