Flight OddsUnited Airlines · San Francisco, CA to Washington, DC · 62 flights observed, 2026-04-30 to 2026-06-30 · 2,418 mi
UA1791 covers more than one route in the data window — the stats below are for SFO → IAD, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1791 on time?
Across 62 flights on SFO → IAD from 2026-04-30 to 2026-06-30, UA1791 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +67 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 | 46 | 74% |
| 16-30 min | 6 | 10% |
| 31-60 min | 3 | 5% |
| 61-120 min | 5 | 8% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 1 | 100% | -31 min |
| 2026-05 | 31 | 71% | +26 min |
| 2026-06 | 30 | 77% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 9 | 56% |
| Wed | 8 | 63% |
| Thu | 9 | 78% |
| Fri | 9 | 89% |
| Sat | 9 | 67% |
| Sun | 9 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…