Flight OddsUnited Airlines · Sun Valley/Hailey/Ketchum, ID to San Francisco, CA · 168 flights observed, 2025-07-01 to 2026-06-30 · 587 mi
UA5423 covers more than one route in the data window — the stats below are for SUN → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA5423 on time?
Across 168 flights on SUN → SFO from 2025-07-01 to 2026-06-30, UA5423 arrived within 15 minutes of schedule 51% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +79 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 | 86 | 51% |
| 16-30 min | 19 | 11% |
| 31-60 min | 28 | 17% |
| 61-120 min | 27 | 16% |
| 2+ hrs | 8 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 40% | +44 min |
| 2025-08 | 31 | 77% | +11 min |
| 2025-09 | 14 | 79% | +3 min |
| 2025-10 | 11 | 73% | +20 min |
| 2025-12 | 12 | 58% | +56 min |
| 2026-01 | 11 | 64% | +7 min |
| 2026-02 | 9 | 44% | +27 min |
| 2026-03 | 9 | 89% | -19 min |
| 2026-04 | 2 | 50% | +20 min |
| 2026-05 | 9 | 33% | +18 min |
| 2026-06 | 30 | 3% | +54 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 20 | 35% |
| Tue | 18 | 50% |
| Wed | 15 | 60% |
| Thu | 14 | 36% |
| Fri | 26 | 54% |
| Sat | 38 | 66% |
| Sun | 37 | 46% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…