Flight OddsIAD → SAN United Airlines
United Airlines · Washington, DC to San Diego, CA · 1,040 flights, 2025-07-01 to 2026-06-30 · aggregated across 11 flight numbers
On-time arrival
87%
Median delay
-11 min
90th percentile
+22 min
Cancellation rate
0%
How on-time is United Airlines from IAD to SAN?
Across every United Airlines flight number on IAD → SAN (1,040 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -11 min; the worst 10% ran +22 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 899 | 87% |
| 16-30 min | 52 | 5% |
| 31-60 min | 34 | 3% |
| 61-120 min | 26 | 3% |
| 2+ hrs | 19 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 92 | 76% | +12 min |
| 2025-08 | 93 | 95% | -10 min |
| 2025-09 | 87 | 97% | -12 min |
| 2025-10 | 87 | 94% | -8 min |
| 2025-11 | 88 | 81% | -1 min |
| 2025-12 | 90 | 81% | +4 min |
| 2026-01 | 77 | 88% | -5 min |
| 2026-02 | 72 | 88% | -12 min |
| 2026-03 | 85 | 91% | -17 min |
| 2026-04 | 80 | 93% | -10 min |
| 2026-05 | 89 | 84% | -5 min |
| 2026-06 | 90 | 82% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 154 | 89% |
| Tue | 143 | 90% |
| Wed | 140 | 86% |
| Thu | 154 | 86% |
| Fri | 156 | 85% |
| Sat | 131 | 86% |
| Sun | 152 | 88% |
UA flight numbers on IAD → SAN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…