Flight OddsAS598 SFO → ORD
Alaska Airlines · San Francisco, CA to Chicago, IL · 50 flights observed, 2025-07-01 to 2025-08-19 · 1,846 mi
AS598 covers more than one route in the data window — the stats below are for SFO → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
52%
Median delay
+10 min
90th percentile
+63 min
Cancellation rate
6%
How often is AS598 on time?
Across 50 flights on SFO → ORD from 2025-07-01 to 2025-08-19, AS598 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +63 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 | 24 | 52% |
| 16-30 min | 7 | 15% |
| 31-60 min | 10 | 22% |
| 61-120 min | 5 | 11% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 52% | +19 min |
| 2025-08 | 17 | 53% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 33% |
| Tue | 7 | 86% |
| Wed | 6 | 50% |
| Thu | 6 | 83% |
| Fri | 7 | 57% |
| Sat | 7 | 29% |
| 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…