AA4351 CMH → BOS
American Airlines · Columbus, OH to Boston, MA · 42 flights observed, 2026-02-12 to 2026-04-06 · 640 mi
AA4351 covers more than one route in the data window — the stats below are for CMH → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-15 min
90th percentile
+39 min
Cancellation rate
2%
How often is AA4351 on time?
Across 42 flights on CMH → BOS from 2026-02-12 to 2026-04-06, AA4351 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +39 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 | 31 | 76% |
| 16-30 min | 2 | 5% |
| 31-60 min | 5 | 12% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 9 | 89% | -14 min |
| 2026-03 | 27 | 70% | +8 min |
| 2026-04 | 5 | 80% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 57% |
| Tue | 7 | 71% |
| Wed | 7 | 57% |
| Thu | 8 | 100% |
| Fri | 6 | 100% |
| Sat | No data | — |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…