Flight OddsAA2504 ORD → BOS
American Airlines · Chicago, IL to Boston, MA · 16 flights observed, 2025-11-02 to 2025-11-19 · 867 mi
AA2504 covers more than one route in the data window — the stats below are for ORD → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
50%
Median delay
+11 min
90th percentile
+87 min
Cancellation rate
0%
How often is AA2504 on time?
Across 16 flights on ORD → BOS from 2025-11-02 to 2025-11-19, AA2504 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +87 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 | 8 | 50% |
| 16-30 min | 1 | 6% |
| 31-60 min | 4 | 25% |
| 61-120 min | 2 | 13% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 16 | 50% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 33% |
| Wed | 3 | 67% |
| Thu | 2 | 50% |
| Fri | 2 | 50% |
| Sat | No data | — |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…