Flight OddsAA1187 DCA → ORD
American Airlines · Washington, DC to Chicago, IL · 154 flights observed, 2025-07-01 to 2025-12-02 · 612 mi
AA1187 covers more than one route in the data window — the stats below are for DCA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
69%
Median delay
-3 min
90th percentile
+79 min
Cancellation rate
4%
How often is AA1187 on time?
Across 154 flights on DCA → ORD from 2025-07-01 to 2025-12-02, AA1187 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +79 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 | 101 | 69% |
| 16-30 min | 17 | 12% |
| 31-60 min | 9 | 6% |
| 61-120 min | 9 | 6% |
| 2+ hrs | 11 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 52% | +55 min |
| 2025-08 | 31 | 81% | +8 min |
| 2025-09 | 30 | 70% | +4 min |
| 2025-10 | 31 | 77% | +20 min |
| 2025-11 | 26 | 62% | +18 min |
| 2025-12 | 2 | 50% | +89 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 85% |
| Tue | 23 | 78% |
| Wed | 22 | 59% |
| Thu | 20 | 60% |
| Fri | 22 | 64% |
| Sat | 21 | 71% |
| Sun | 19 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…