Flight OddsAS1478 SAN → ORD
Alaska Airlines · San Diego, CA to Chicago, IL · 162 flights observed, 2025-10-26 to 2026-06-30 · 1,723 mi
AS1478 covers more than one route in the data window — the stats below are for SAN → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+8 min
90th percentile
+81 min
Cancellation rate
2%
How often is AS1478 on time?
Across 162 flights on SAN → ORD from 2025-10-26 to 2026-06-30, AS1478 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +81 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 100 | 65% |
| 16-30 min | 19 | 12% |
| 31-60 min | 15 | 10% |
| 61-120 min | 17 | 11% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 67% | +24 min |
| 2025-11 | 26 | 69% | +19 min |
| 2025-12 | 28 | 39% | +33 min |
| 2026-01 | 6 | 100% | -10 min |
| 2026-03 | 11 | 64% | +8 min |
| 2026-04 | 25 | 80% | +2 min |
| 2026-05 | 29 | 72% | +11 min |
| 2026-06 | 23 | 57% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 65% |
| Tue | 21 | 86% |
| Wed | 24 | 54% |
| Thu | 21 | 67% |
| Fri | 25 | 52% |
| Sat | 18 | 67% |
| Sun | 22 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…