Flight OddsIAD → LAX United Airlines
United Airlines · Washington, DC to Los Angeles, CA · 2,320 flights, 2025-07-01 to 2026-06-30 · aggregated across 35 flight numbers
On-time arrival
84%
Median delay
-8 min
90th percentile
+29 min
Cancellation rate
1%
How on-time is United Airlines from IAD to LAX?
Across every United Airlines flight number on IAD → LAX (2,320 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +29 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,925 | 84% |
| 16-30 min | 157 | 7% |
| 31-60 min | 96 | 4% |
| 61-120 min | 69 | 3% |
| 2+ hrs | 47 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 189 | 66% | +26 min |
| 2025-08 | 176 | 84% | +1 min |
| 2025-09 | 173 | 91% | -7 min |
| 2025-10 | 201 | 91% | -5 min |
| 2025-11 | 196 | 88% | -6 min |
| 2025-12 | 213 | 87% | -4 min |
| 2026-01 | 165 | 77% | +4 min |
| 2026-02 | 158 | 82% | -2 min |
| 2026-03 | 184 | 85% | -8 min |
| 2026-04 | 199 | 83% | -2 min |
| 2026-05 | 220 | 90% | -7 min |
| 2026-06 | 220 | 82% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 343 | 87% |
| Tue | 321 | 85% |
| Wed | 319 | 84% |
| Thu | 338 | 82% |
| Fri | 344 | 85% |
| Sat | 304 | 83% |
| Sun | 325 | 82% |
UA flight numbers on IAD → LAX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…