Flight OddsBUF → ORD American Airlines
American Airlines · Buffalo, NY to Chicago, IL · 1,227 flights, 2025-07-01 to 2026-06-30 · aggregated across 43 flight numbers
On-time arrival
78%
Median delay
-9 min
90th percentile
+60 min
Cancellation rate
3%
How on-time is American Airlines from BUF to ORD?
Across every American Airlines flight number on BUF → ORD (1,227 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +60 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 925 | 78% |
| 16-30 min | 80 | 7% |
| 31-60 min | 68 | 6% |
| 61-120 min | 62 | 5% |
| 2+ hrs | 56 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 119 | 76% | +19 min |
| 2025-08 | 88 | 74% | +17 min |
| 2025-09 | 89 | 76% | +25 min |
| 2025-10 | 92 | 79% | +0 min |
| 2025-11 | 102 | 80% | +3 min |
| 2025-12 | 91 | 69% | +19 min |
| 2026-01 | 84 | 80% | 0 min |
| 2026-02 | 81 | 74% | +15 min |
| 2026-03 | 99 | 76% | +12 min |
| 2026-04 | 111 | 78% | +4 min |
| 2026-05 | 122 | 82% | +4 min |
| 2026-06 | 113 | 84% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 180 | 78% |
| Tue | 177 | 77% |
| Wed | 166 | 80% |
| Thu | 172 | 78% |
| Fri | 171 | 77% |
| Sat | 156 | 74% |
| Sun | 169 | 78% |
AA flight numbers on BUF → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…