Flight OddsAS3273 STS → ONT
Alaska Airlines · Santa Rosa, CA to Ontario, CA · 55 flights observed, 2026-03-18 to 2026-05-12 · 423 mi
AS3273 covers more than one route in the data window — the stats below are for STS → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-8 min
90th percentile
+19 min
Cancellation rate
0%
How often is AS3273 on time?
Across 55 flights on STS → ONT from 2026-03-18 to 2026-05-12, AS3273 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +19 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 | 49 | 89% |
| 16-30 min | 2 | 4% |
| 31-60 min | 2 | 4% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 14 | 86% | +18 min |
| 2026-04 | 29 | 90% | -4 min |
| 2026-05 | 12 | 92% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 100% |
| Tue | 8 | 63% |
| Wed | 7 | 86% |
| Thu | 8 | 100% |
| Fri | 8 | 100% |
| Sat | 8 | 88% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…