Flight OddsUnited Airlines · San Francisco, CA to Sacramento, CA · 205 flights observed, 2025-07-01 to 2026-05-20 · 86 mi
UA5997 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 UA5997 on time?
Across 205 flights on SFO → SMF from 2025-07-01 to 2026-05-20, UA5997 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +54 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 | 163 | 80% |
| 16-30 min | 9 | 4% |
| 31-60 min | 13 | 6% |
| 61-120 min | 8 | 4% |
| 2+ hrs | 11 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 22 | 77% | +16 min |
| 2025-08 | 25 | 92% | +4 min |
| 2025-09 | 24 | 79% | +8 min |
| 2026-01 | 25 | 76% | +18 min |
| 2026-02 | 28 | 79% | +22 min |
| 2026-03 | 31 | 87% | +1 min |
| 2026-04 | 29 | 79% | -1 min |
| 2026-05 | 20 | 65% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 30 | 77% |
| Tue | 33 | 85% |
| Wed | 33 | 76% |
| Thu | 31 | 84% |
| Fri | 30 | 77% |
| Sat | 23 | 74% |
| Sun | 24 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…