Flight OddsUnited Airlines · San Francisco, CA to Houston, TX · 210 flights observed, 2025-07-01 to 2026-03-04 · 1,635 mi
UA2855 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”.
How often is UA2855 on time?
Across 210 flights on SFO → IAH from 2025-07-01 to 2026-03-04, UA2855 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +27 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 | 176 | 84% |
| 16-30 min | 14 | 7% |
| 31-60 min | 13 | 6% |
| 61-120 min | 4 | 2% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +10 min |
| 2025-08 | 31 | 87% | +5 min |
| 2025-09 | 30 | 97% | -11 min |
| 2025-10 | 31 | 94% | -5 min |
| 2025-11 | 30 | 77% | +10 min |
| 2025-12 | 31 | 81% | +2 min |
| 2026-01 | 5 | 60% | +22 min |
| 2026-02 | 17 | 76% | -1 min |
| 2026-03 | 4 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 30 | 80% |
| Tue | 30 | 93% |
| Wed | 30 | 83% |
| Thu | 30 | 87% |
| Fri | 29 | 72% |
| Sat | 30 | 83% |
| Sun | 30 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…