Flight OddsAA3748 BOS → DCA
American Airlines · Boston, MA to Washington, DC · 45 flights observed, 2025-11-02 to 2025-12-17 · 399 mi
AA3748 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
76%
Median delay
-9 min
90th percentile
+47 min
Cancellation rate
4%
How often is AA3748 on time?
Across 45 flights on BOS → DCA from 2025-11-02 to 2025-12-17, AA3748 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +47 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 | 32 | 76% |
| 16-30 min | 3 | 7% |
| 31-60 min | 3 | 7% |
| 61-120 min | 3 | 7% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 26 | 88% | -3 min |
| 2025-12 | 16 | 56% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 6 | 83% |
| Wed | 7 | 100% |
| Thu | 5 | 60% |
| Fri | 4 | 50% |
| Sat | 6 | 100% |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…