United Airlines · San Francisco, CA to Sacramento, CA · 362 flights observed, 2025-07-01 to 2026-06-30 · 86 mi
UA5220 covers more than one route in the data window — the stats below are for SFO → SMF, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA5220 on time?
Across 362 flights on SFO → SMF from 2025-07-01 to 2026-06-30, UA5220 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +36 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 293 | 83% |
| 16-30 min | 21 | 6% |
| 31-60 min | 17 | 5% |
| 61-120 min | 10 | 3% |
| 2+ hrs | 12 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | 0 min |
| 2025-08 | 31 | 90% | +13 min |
| 2025-09 | 30 | 80% | +13 min |
| 2025-10 | 31 | 90% | -5 min |
| 2025-11 | 23 | 83% | +3 min |
| 2025-12 | 29 | 76% | +5 min |
| 2026-01 | 28 | 57% | +29 min |
| 2026-02 | 28 | 64% | +26 min |
| 2026-03 | 31 | 84% | -2 min |
| 2026-04 | 30 | 87% | 0 min |
| 2026-05 | 31 | 94% | +8 min |
| 2026-06 | 30 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 82% |
| Tue | 52 | 88% |
| Wed | 51 | 88% |
| Thu | 48 | 73% |
| Fri | 50 | 78% |
| Sat | 51 | 86% |
| Sun | 51 | 84% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…