Flight OddsAA1721 BOS → DCA
American Airlines · Boston, MA to Washington, DC · 30 flights observed, 2026-03-08 to 2026-04-06 · 399 mi
AA1721 covers more than one route in the data window — the stats below are for BOS → DCA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
100%
Median delay
-11 min
90th percentile
+2 min
Cancellation rate
3%
How often is AA1721 on time?
Across 30 flights on BOS → DCA from 2026-03-08 to 2026-04-06, AA1721 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +2 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 29 | 100% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 100% | -11 min |
| 2026-04 | 6 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | 4 | 100% |
| Fri | 4 | 100% |
| Sat | 3 | 100% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…