Flight OddsAA4389 CMH → BOS
American Airlines · Columbus, OH to Boston, MA · 163 flights observed, 2025-10-06 to 2026-04-06 · 640 mi
AA4389 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
87%
Median delay
-11 min
90th percentile
+32 min
Cancellation rate
2%
How often is AA4389 on time?
Across 163 flights on CMH → BOS from 2025-10-06 to 2026-04-06, AA4389 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +32 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 | 138 | 87% |
| 16-30 min | 4 | 3% |
| 31-60 min | 12 | 8% |
| 61-120 min | 4 | 3% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 26 | 88% | +0 min |
| 2025-11 | 30 | 83% | 0 min |
| 2025-12 | 16 | 94% | -8 min |
| 2026-01 | 25 | 80% | -9 min |
| 2026-02 | 26 | 81% | -1 min |
| 2026-03 | 31 | 94% | -8 min |
| 2026-04 | 5 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 74% |
| Tue | 24 | 92% |
| Wed | 24 | 88% |
| Thu | 23 | 91% |
| Fri | 23 | 91% |
| Sat | 23 | 78% |
| Sun | 19 | 95% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…