Flight OddsAA1178 LAX → ORD
American Airlines · Los Angeles, CA to Chicago, IL · 90 flights observed, 2025-11-03 to 2026-03-07 · 1,744 mi
AA1178 covers more than one route in the data window — the stats below are for LAX → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-6 min
90th percentile
+70 min
Cancellation rate
1%
How often is AA1178 on time?
Across 90 flights on LAX → ORD from 2025-11-03 to 2026-03-07, AA1178 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +70 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 69 | 78% |
| 16-30 min | 6 | 7% |
| 31-60 min | 3 | 3% |
| 61-120 min | 5 | 6% |
| 2+ hrs | 5 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 26 | 85% | +6 min |
| 2025-12 | 3 | 67% | +125 min |
| 2026-01 | 24 | 75% | +11 min |
| 2026-02 | 28 | 79% | +15 min |
| 2026-03 | 7 | 71% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 83% |
| Tue | 14 | 93% |
| Wed | 13 | 69% |
| Thu | 13 | 77% |
| Fri | 12 | 92% |
| Sat | 12 | 58% |
| Sun | 12 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…