Flight OddsUA1783 LAX → BOS
United Airlines · Los Angeles, CA to Boston, MA · 365 flights observed, 2025-07-01 to 2026-06-30 · 2,611 mi
UA1783 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
84%
Median delay
-12 min
90th percentile
+41 min
Cancellation rate
1%
How often is UA1783 on time?
Across 365 flights on LAX → BOS from 2025-07-01 to 2026-06-30, UA1783 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +41 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 302 | 84% |
| 16-30 min | 15 | 4% |
| 31-60 min | 21 | 6% |
| 61-120 min | 11 | 3% |
| 2+ hrs | 12 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 74% | +6 min |
| 2025-08 | 31 | 87% | +4 min |
| 2025-09 | 30 | 60% | +30 min |
| 2025-10 | 31 | 68% | +26 min |
| 2025-11 | 29 | 86% | +5 min |
| 2025-12 | 31 | 94% | -14 min |
| 2026-01 | 30 | 100% | -19 min |
| 2026-02 | 26 | 92% | -16 min |
| 2026-03 | 31 | 84% | +9 min |
| 2026-04 | 30 | 90% | -10 min |
| 2026-05 | 31 | 84% | -2 min |
| 2026-06 | 30 | 87% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 84% |
| Tue | 52 | 88% |
| Wed | 51 | 88% |
| Thu | 52 | 77% |
| Fri | 52 | 81% |
| Sat | 52 | 90% |
| Sun | 51 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…