Flight OddsUA277 SFO → IAH
United Airlines · San Francisco, CA to Houston, TX · 53 flights observed, 2025-10-26 to 2025-12-17 · 1,635 mi
UA277 covers more than one route in the data window — the stats below are for SFO → IAH, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-3 min
90th percentile
+32 min
Cancellation rate
4%
How often is UA277 on time?
Across 53 flights on SFO → IAH from 2025-10-26 to 2025-12-17, UA277 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +32 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 42 | 82% |
| 16-30 min | 3 | 6% |
| 31-60 min | 3 | 6% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 5 | 60% | +30 min |
| 2025-11 | 29 | 76% | +8 min |
| 2025-12 | 17 | 100% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 71% |
| Tue | 8 | 88% |
| Wed | 8 | 88% |
| Thu | 6 | 67% |
| Fri | 7 | 86% |
| Sat | 7 | 100% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…