Flight OddsUA1318 IAH → BOS
United Airlines · Houston, TX to Boston, MA · 68 flights observed, 2025-08-19 to 2025-10-25 · 1,597 mi
UA1318 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
37%
Median delay
+38 min
90th percentile
+129 min
Cancellation rate
1%
How often is UA1318 on time?
Across 68 flights on IAH → BOS from 2025-08-19 to 2025-10-25, UA1318 arrived within 15 minutes of schedule 37% of the time. The median arrival delay was +38 min, and the worst 10% of flights arrived +129 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 | 25 | 37% |
| 16-30 min | 5 | 7% |
| 31-60 min | 16 | 24% |
| 61-120 min | 14 | 21% |
| 2+ hrs | 7 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 69% | +27 min |
| 2025-09 | 29 | 24% | +61 min |
| 2025-10 | 25 | 36% | +49 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 33% |
| Tue | 10 | 50% |
| Wed | 9 | 22% |
| Thu | 10 | 30% |
| Fri | 10 | 10% |
| Sat | 10 | 90% |
| Sun | 9 | 22% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…