Flight OddsUA2439 IAH → BOS
United Airlines · Houston, TX to Boston, MA · 124 flights observed, 2025-07-01 to 2026-01-04 · 1,597 mi
UA2439 covers more than one route in the data window — the stats below are for IAH → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
0 min
90th percentile
+134 min
Cancellation rate
0%
How often is UA2439 on time?
Across 124 flights on IAH → BOS from 2025-07-01 to 2026-01-04, UA2439 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +134 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 83 | 67% |
| 16-30 min | 13 | 10% |
| 31-60 min | 7 | 6% |
| 61-120 min | 6 | 5% |
| 2+ hrs | 15 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 63% | +36 min |
| 2025-08 | 18 | 50% | +34 min |
| 2025-09 | 6 | 50% | +52 min |
| 2025-10 | 28 | 57% | +35 min |
| 2025-11 | 24 | 83% | +15 min |
| 2025-12 | 14 | 86% | -3 min |
| 2026-01 | 4 | 100% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 18 | 72% |
| Tue | 14 | 57% |
| Wed | 18 | 72% |
| Thu | 20 | 60% |
| Fri | 18 | 56% |
| Sat | 16 | 81% |
| Sun | 20 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…