Flight OddsAA3867 BIL → ORD
American Airlines · Billings, MT to Chicago, IL · 28 flights observed, 2025-08-06 to 2025-09-02 · 1,060 mi
AA3867 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
93%
Median delay
-6 min
90th percentile
+13 min
Cancellation rate
4%
How often is AA3867 on time?
Across 28 flights on BIL → ORD from 2025-08-06 to 2025-09-02, AA3867 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +13 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 25 | 93% |
| 16-30 min | 2 | 7% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 25 | 92% | -3 min |
| 2025-09 | 2 | 100% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | 4 | 100% |
| Fri | 4 | 100% |
| Sat | 4 | 75% |
| 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…