Flight OddsUnited Airlines · St. Louis, MO to San Francisco, CA · 52 flights observed, 2026-03-29 to 2026-05-20 · 1,735 mi
UA5728 covers more than one route in the data window — the stats below are for STL → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA5728 on time?
Across 52 flights on STL → SFO from 2026-03-29 to 2026-05-20, UA5728 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +116 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 | 27 | 53% |
| 16-30 min | 7 | 14% |
| 31-60 min | 4 | 8% |
| 61-120 min | 8 | 16% |
| 2+ hrs | 5 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 100% | 0 min |
| 2026-04 | 28 | 57% | +34 min |
| 2026-05 | 20 | 40% | +54 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 8 | 50% |
| Wed | 7 | 14% |
| Thu | 7 | 43% |
| Fri | 6 | 50% |
| Sat | 7 | 71% |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…