Flight OddsAA1937 CLT → BOS
American Airlines · Charlotte, NC to Boston, MA · 56 flights observed, 2025-08-07 to 2026-05-18 · 728 mi
AA1937 covers more than one route in the data window — the stats below are for CLT → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
-4 min
90th percentile
+60 min
Cancellation rate
0%
How often is AA1937 on time?
Across 56 flights on CLT → BOS from 2025-08-07 to 2026-05-18, AA1937 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +60 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 | 37 | 66% |
| 16-30 min | 4 | 7% |
| 31-60 min | 9 | 16% |
| 61-120 min | 5 | 9% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 19 | 53% | +20 min |
| 2025-09 | 1 | 100% | -20 min |
| 2026-04 | 20 | 85% | -4 min |
| 2026-05 | 16 | 56% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 70% |
| Tue | No data | — |
| Wed | 6 | 50% |
| Thu | 10 | 50% |
| Fri | 10 | 80% |
| Sat | 10 | 70% |
| Sun | 10 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…