Flight OddsIAH → BOS United Airlines
United Airlines · Houston, TX to Boston, MA · 1,565 flights, 2025-07-01 to 2026-06-30 · aggregated across 28 flight numbers
On-time arrival
77%
Median delay
-5 min
90th percentile
+56 min
Cancellation rate
1%
How on-time is United Airlines from IAH to BOS?
Across every United Airlines flight number on IAH → BOS (1,565 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +56 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,185 | 77% |
| 16-30 min | 104 | 7% |
| 31-60 min | 116 | 7% |
| 61-120 min | 76 | 5% |
| 2+ hrs | 67 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 153 | 75% | +21 min |
| 2025-08 | 142 | 76% | +10 min |
| 2025-09 | 125 | 63% | +22 min |
| 2025-10 | 152 | 59% | +28 min |
| 2025-11 | 141 | 82% | +8 min |
| 2025-12 | 133 | 90% | -5 min |
| 2026-01 | 91 | 87% | -11 min |
| 2026-02 | 90 | 94% | -3 min |
| 2026-03 | 116 | 78% | +11 min |
| 2026-04 | 121 | 74% | +5 min |
| 2026-05 | 147 | 76% | +7 min |
| 2026-06 | 137 | 74% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 216 | 78% |
| Tue | 218 | 78% |
| Wed | 225 | 78% |
| Thu | 230 | 72% |
| Fri | 229 | 76% |
| Sat | 204 | 82% |
| Sun | 226 | 73% |
UA flight numbers on IAH → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…