Flight OddsAS597 ORD → SFO
Alaska Airlines · Chicago, IL to San Francisco, CA · 50 flights observed, 2025-07-01 to 2025-08-19 · 1,846 mi
AS597 covers more than one route in the data window — the stats below are for ORD → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+3 min
90th percentile
+73 min
Cancellation rate
6%
How often is AS597 on time?
Across 50 flights on ORD → SFO from 2025-07-01 to 2025-08-19, AS597 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +73 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 | 27 | 57% |
| 16-30 min | 3 | 6% |
| 31-60 min | 8 | 17% |
| 61-120 min | 8 | 17% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 59% | +20 min |
| 2025-08 | 18 | 56% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 33% |
| Tue | 8 | 75% |
| Wed | 6 | 67% |
| Thu | 6 | 100% |
| Fri | 7 | 57% |
| Sat | 7 | 43% |
| Sun | 7 | 29% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…