Flight OddsAA1239 LAX → BOS
American Airlines · Los Angeles, CA to Boston, MA · 36 flights observed, 2026-01-06 to 2026-02-11 · 2,611 mi
AA1239 covers more than one route in the data window — the stats below are for LAX → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+3 min
90th percentile
+33 min
Cancellation rate
6%
How often is AA1239 on time?
Across 36 flights on LAX → BOS from 2026-01-06 to 2026-02-11, AA1239 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +33 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 65% |
| 16-30 min | 8 | 24% |
| 31-60 min | 2 | 6% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 23 | 70% | +35 min |
| 2026-02 | 11 | 55% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 100% |
| Wed | 6 | 50% |
| Thu | 5 | 60% |
| Fri | 5 | 80% |
| Sat | 5 | 60% |
| Sun | 3 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…