Flight OddsUnited Airlines · Las Vegas, NV to San Francisco, CA · 167 flights observed, 2026-01-06 to 2026-06-30 · 414 mi
UA1603 covers more than one route in the data window — the stats below are for LAS → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1603 on time?
Across 167 flights on LAS → SFO from 2026-01-06 to 2026-06-30, UA1603 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +70 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 | 119 | 71% |
| 16-30 min | 10 | 6% |
| 31-60 min | 19 | 11% |
| 61-120 min | 15 | 9% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 92% | -12 min |
| 2026-02 | 21 | 76% | +15 min |
| 2026-03 | 29 | 86% | -3 min |
| 2026-04 | 30 | 67% | +23 min |
| 2026-05 | 31 | 61% | +23 min |
| 2026-06 | 30 | 50% | +30 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 25 | 68% |
| Tue | 23 | 74% |
| Wed | 22 | 73% |
| Thu | 25 | 80% |
| Fri | 25 | 64% |
| Sat | 22 | 73% |
| Sun | 25 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…