AS121 PDX → BUR
Alaska Airlines · Portland, OR to Burbank, CA · 284 flights observed, 2025-07-01 to 2026-04-21 · 817 mi
AS121 covers more than one route in the data window — the stats below are for PDX → BUR, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-3 min
90th percentile
+22 min
Cancellation rate
1%
How often is AS121 on time?
Across 284 flights on PDX → BUR from 2025-07-01 to 2026-04-21, AS121 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +22 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 234 | 83% |
| 16-30 min | 31 | 11% |
| 31-60 min | 8 | 3% |
| 61-120 min | 3 | 1% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +6 min |
| 2025-08 | 29 | 72% | +8 min |
| 2025-09 | 26 | 65% | +15 min |
| 2025-10 | 27 | 81% | +5 min |
| 2025-11 | 29 | 100% | -6 min |
| 2025-12 | 31 | 81% | +10 min |
| 2026-01 | 31 | 84% | +3 min |
| 2026-02 | 28 | 86% | +5 min |
| 2026-03 | 31 | 94% | -1 min |
| 2026-04 | 19 | 95% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 41 | 83% |
| Tue | 42 | 86% |
| Wed | 42 | 76% |
| Thu | 41 | 73% |
| Fri | 42 | 90% |
| Sat | 31 | 90% |
| Sun | 42 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…