Flight OddsAS510 SLC → SEA
Alaska Airlines · Salt Lake City, UT to Seattle, WA · 49 flights observed, 2025-07-01 to 2025-08-19 · 689 mi
AS510 covers more than one route in the data window — the stats below are for SLC → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-1 min
90th percentile
+30 min
Cancellation rate
6%
How often is AS510 on time?
Across 49 flights on SLC → SEA from 2025-07-01 to 2025-08-19, AS510 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +30 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 35 | 76% |
| 16-30 min | 6 | 13% |
| 31-60 min | 4 | 9% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 79% | +5 min |
| 2025-08 | 18 | 72% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 83% |
| Tue | 8 | 63% |
| Wed | 7 | 100% |
| Thu | 5 | 80% |
| Fri | 6 | 67% |
| Sat | 7 | 71% |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…