Flight OddsUA1166 IAH → SFO
United Airlines · Houston, TX to San Francisco, CA · 20 flights observed, 2026-05-01 to 2026-05-20 · 1,635 mi
UA1166 covers more than one route in the data window — the stats below are for IAH → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
+2 min
90th percentile
+57 min
Cancellation rate
0%
How often is UA1166 on time?
Across 20 flights on IAH → SFO from 2026-05-01 to 2026-05-20, UA1166 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +57 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 | 14 | 70% |
| 16-30 min | 1 | 5% |
| 31-60 min | 3 | 15% |
| 61-120 min | 2 | 10% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 20 | 70% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 3 | 67% |
| Wed | 3 | 67% |
| Thu | 2 | 50% |
| Fri | 3 | 33% |
| Sat | 3 | 100% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…