Flight OddsAA2120 DCA → BOS
American Airlines · Washington, DC to Boston, MA · 229 flights observed, 2025-07-11 to 2026-05-20 · 399 mi
AA2120 covers more than one route in the data window — the stats below are for DCA → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
+1 min
90th percentile
+72 min
Cancellation rate
2%
How often is AA2120 on time?
Across 229 flights on DCA → BOS from 2025-07-11 to 2026-05-20, AA2120 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +72 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 | 149 | 67% |
| 16-30 min | 20 | 9% |
| 31-60 min | 24 | 11% |
| 61-120 min | 26 | 12% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 3 | 0% | +65 min |
| 2025-08 | 19 | 95% | -14 min |
| 2025-09 | 26 | 62% | +22 min |
| 2025-10 | 27 | 70% | +20 min |
| 2025-11 | 24 | 58% | +17 min |
| 2025-12 | 14 | 57% | +25 min |
| 2026-01 | 20 | 65% | +18 min |
| 2026-02 | 22 | 59% | +14 min |
| 2026-03 | 27 | 52% | +25 min |
| 2026-04 | 26 | 81% | +6 min |
| 2026-05 | 16 | 81% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 69% |
| Tue | 39 | 72% |
| Wed | 38 | 71% |
| Thu | 37 | 65% |
| Fri | 36 | 56% |
| Sat | 6 | 100% |
| Sun | 32 | 59% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…