Flight OddsAA4155 TUL → ORD
American Airlines · Tulsa, OK to Chicago, IL · 104 flights observed, 2025-08-06 to 2025-12-02 · 585 mi
AA4155 covers more than one route in the data window — the stats below are for TUL → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-12 min
90th percentile
+46 min
Cancellation rate
2%
How often is AA4155 on time?
Across 104 flights on TUL → ORD from 2025-08-06 to 2025-12-02, AA4155 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +46 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 | 84 | 83% |
| 16-30 min | 1 | 1% |
| 31-60 min | 8 | 8% |
| 61-120 min | 3 | 3% |
| 2+ hrs | 5 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 25 | 80% | +16 min |
| 2025-09 | 28 | 86% | -8 min |
| 2025-10 | 19 | 95% | -7 min |
| 2025-11 | 27 | 78% | +4 min |
| 2025-12 | 2 | 50% | +88 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 88% |
| Tue | 12 | 75% |
| Wed | 13 | 92% |
| Thu | 16 | 81% |
| Fri | 16 | 94% |
| Sat | 11 | 73% |
| Sun | 17 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…