Flight OddsSFO → IAD United Airlines
United Airlines · San Francisco, CA to Washington, DC · 2,690 flights, 2025-07-01 to 2026-06-30 · aggregated across 52 flight numbers
On-time arrival
84%
Median delay
-9 min
90th percentile
+31 min
Cancellation rate
1%
How on-time is United Airlines from SFO to IAD?
Across every United Airlines flight number on SFO → IAD (2,690 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +31 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,249 | 84% |
| 16-30 min | 147 | 6% |
| 31-60 min | 129 | 5% |
| 61-120 min | 88 | 3% |
| 2+ hrs | 55 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 204 | 72% | +24 min |
| 2025-08 | 214 | 86% | +5 min |
| 2025-09 | 206 | 83% | +1 min |
| 2025-10 | 246 | 90% | -5 min |
| 2025-11 | 228 | 86% | -1 min |
| 2025-12 | 245 | 87% | -8 min |
| 2026-01 | 201 | 89% | -6 min |
| 2026-02 | 189 | 92% | -9 min |
| 2026-03 | 203 | 87% | -5 min |
| 2026-04 | 230 | 84% | -6 min |
| 2026-05 | 268 | 84% | +0 min |
| 2026-06 | 234 | 74% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 385 | 84% |
| Tue | 366 | 86% |
| Wed | 378 | 82% |
| Thu | 389 | 84% |
| Fri | 395 | 86% |
| Sat | 372 | 84% |
| Sun | 383 | 84% |
UA flight numbers on SFO → IAD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…