Flight OddsUA504 SFO → LAS
United Airlines · San Francisco, CA to Las Vegas, NV · 146 flights observed, 2025-07-01 to 2026-01-05 · 414 mi
UA504 covers more than one route in the data window — the stats below are for SFO → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
78%
Median delay
-6 min
90th percentile
+57 min
Cancellation rate
0%
How often is UA504 on time?
Across 146 flights on SFO → LAS from 2025-07-01 to 2026-01-05, UA504 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -6 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 | 114 | 78% |
| 16-30 min | 9 | 6% |
| 31-60 min | 8 | 5% |
| 61-120 min | 10 | 7% |
| 2+ hrs | 5 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 77% | +9 min |
| 2025-08 | 18 | 78% | +14 min |
| 2025-09 | 5 | 80% | -2 min |
| 2025-10 | 28 | 82% | -4 min |
| 2025-11 | 29 | 86% | -2 min |
| 2025-12 | 31 | 81% | +7 min |
| 2026-01 | 5 | 0% | +187 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 88% |
| Tue | 21 | 90% |
| Wed | 21 | 76% |
| Thu | 22 | 77% |
| Fri | 21 | 67% |
| Sat | 22 | 91% |
| Sun | 22 | 59% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…