Flight OddsIAD → SFO United Airlines
United Airlines · Washington, DC to San Francisco, CA · 2,688 flights, 2025-07-01 to 2026-06-30 · aggregated across 22 flight numbers
On-time arrival
79%
Median delay
-6 min
90th percentile
+44 min
Cancellation rate
1%
How on-time is United Airlines from IAD to SFO?
Across every United Airlines flight number on IAD → SFO (2,688 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +44 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,110 | 79% |
| 16-30 min | 195 | 7% |
| 31-60 min | 145 | 5% |
| 61-120 min | 106 | 4% |
| 2+ hrs | 104 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 203 | 72% | +17 min |
| 2025-08 | 214 | 85% | +1 min |
| 2025-09 | 206 | 87% | -4 min |
| 2025-10 | 244 | 83% | +3 min |
| 2025-11 | 228 | 83% | +0 min |
| 2025-12 | 244 | 69% | +20 min |
| 2026-01 | 198 | 79% | +12 min |
| 2026-02 | 189 | 79% | +10 min |
| 2026-03 | 205 | 88% | -5 min |
| 2026-04 | 229 | 82% | +4 min |
| 2026-05 | 267 | 80% | +5 min |
| 2026-06 | 233 | 66% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 387 | 76% |
| Tue | 366 | 86% |
| Wed | 370 | 80% |
| Thu | 390 | 78% |
| Fri | 392 | 75% |
| Sat | 374 | 82% |
| Sun | 381 | 79% |
UA flight numbers on IAD → SFO
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…