Flight OddsUnited Airlines · Sacramento, CA to San Francisco, CA · 364 flights observed, 2025-07-01 to 2026-06-30 · 86 mi
UA5248 covers more than one route in the data window — the stats below are for SMF → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA5248 on time?
Across 364 flights on SMF → SFO from 2025-07-01 to 2026-06-30, UA5248 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +64 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 210 | 59% |
| 16-30 min | 50 | 14% |
| 31-60 min | 56 | 16% |
| 61-120 min | 24 | 7% |
| 2+ hrs | 14 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 90% | +0 min |
| 2025-08 | 31 | 65% | +27 min |
| 2025-09 | 30 | 50% | +25 min |
| 2025-10 | 31 | 61% | +13 min |
| 2025-11 | 23 | 39% | +30 min |
| 2025-12 | 30 | 47% | +23 min |
| 2026-01 | 29 | 62% | +25 min |
| 2026-02 | 28 | 57% | +38 min |
| 2026-03 | 31 | 77% | -6 min |
| 2026-04 | 30 | 63% | +29 min |
| 2026-05 | 30 | 50% | +26 min |
| 2026-06 | 30 | 43% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 52% |
| Tue | 52 | 63% |
| Wed | 51 | 55% |
| Thu | 49 | 53% |
| Fri | 50 | 56% |
| Sat | 51 | 75% |
| Sun | 51 | 61% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…