Flight OddsAA3915 BIL → ORD
American Airlines · Billings, MT to Chicago, IL · 26 flights observed, 2025-10-06 to 2025-11-01 · 1,060 mi
AA3915 covers more than one route in the data window — the stats below are for BIL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-2 min
90th percentile
+50 min
Cancellation rate
0%
How often is AA3915 on time?
Across 26 flights on BIL → ORD from 2025-10-06 to 2025-11-01, AA3915 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +50 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 | 19 | 73% |
| 16-30 min | 3 | 12% |
| 31-60 min | 1 | 4% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 25 | 72% | +9 min |
| 2025-11 | 1 | 100% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 75% |
| Wed | 4 | 50% |
| Thu | 4 | 100% |
| Fri | 3 | 67% |
| Sat | 4 | 50% |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…