Flight OddsAA4788 BUF → BOS
American Airlines · Buffalo, NY to Boston, MA · 72 flights observed, 2026-04-07 to 2026-06-30 · 395 mi
AA4788 covers more than one route in the data window — the stats below are for BUF → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-15 min
90th percentile
+7 min
Cancellation rate
3%
How often is AA4788 on time?
Across 72 flights on BUF → BOS from 2026-04-07 to 2026-06-30, AA4788 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +7 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 | 65 | 93% |
| 16-30 min | 1 | 1% |
| 31-60 min | 2 | 3% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 18 | 89% | -6 min |
| 2026-05 | 23 | 91% | -5 min |
| 2026-06 | 29 | 97% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 100% |
| Tue | 12 | 100% |
| Wed | 11 | 91% |
| Thu | 12 | 92% |
| Fri | 12 | 83% |
| Sat | 6 | 83% |
| 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…