Flight OddsAS520 SEA → BUR
Alaska Airlines · Seattle, WA to Burbank, CA · 20 flights observed, 2026-04-22 to 2026-05-11 · 937 mi
AS520 covers more than one route in the data window — the stats below are for SEA → BUR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-22 min
90th percentile
+15 min
Cancellation rate
0%
How often is AS520 on time?
Across 20 flights on SEA → BUR from 2026-04-22 to 2026-05-11, AS520 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -22 min, and the worst 10% of flights arrived +15 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 | 18 | 90% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 5% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 9 | 89% | -13 min |
| 2026-05 | 11 | 91% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 2 | 100% |
| Wed | 3 | 100% |
| Thu | 3 | 67% |
| Fri | 3 | 100% |
| Sat | 3 | 100% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…