Flight OddsSLC → SEA Alaska Airlines
Alaska Airlines · Salt Lake City, UT to Seattle, WA · 1,809 flights, 2025-07-01 to 2026-06-30 · aggregated across 31 flight numbers
On-time arrival
78%
Median delay
-5 min
90th percentile
+34 min
Cancellation rate
1%
How on-time is Alaska Airlines from SLC to SEA?
Across every Alaska Airlines flight number on SLC → SEA (1,809 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +34 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,385 | 78% |
| 16-30 min | 196 | 11% |
| 31-60 min | 122 | 7% |
| 61-120 min | 46 | 3% |
| 2+ hrs | 31 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 181 | 67% | +12 min |
| 2025-08 | 194 | 68% | +12 min |
| 2025-09 | 190 | 80% | +3 min |
| 2025-10 | 149 | 87% | +2 min |
| 2025-11 | 107 | 85% | -1 min |
| 2025-12 | 122 | 65% | +10 min |
| 2026-01 | 130 | 75% | -1 min |
| 2026-02 | 126 | 84% | +1 min |
| 2026-03 | 139 | 83% | +6 min |
| 2026-04 | 140 | 89% | -7 min |
| 2026-05 | 143 | 86% | -1 min |
| 2026-06 | 159 | 73% | +20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 278 | 75% |
| Tue | 235 | 82% |
| Wed | 234 | 82% |
| Thu | 275 | 73% |
| Fri | 262 | 77% |
| Sat | 223 | 80% |
| Sun | 273 | 78% |
AS flight numbers on SLC → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…