Flight OddsUnited Airlines · Las Vegas, NV to Washington, DC · 202 flights observed, 2025-08-19 to 2026-03-28 · 2,065 mi
UA1228 covers more than one route in the data window — the stats below are for LAS → IAD, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1228 on time?
Across 202 flights on LAS → IAD from 2025-08-19 to 2026-03-28, UA1228 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +10 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 | 187 | 94% |
| 16-30 min | 7 | 4% |
| 31-60 min | 5 | 3% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 100% | -20 min |
| 2025-09 | 30 | 100% | -13 min |
| 2025-10 | 31 | 90% | -13 min |
| 2025-11 | 30 | 90% | -7 min |
| 2025-12 | 17 | 100% | -12 min |
| 2026-01 | 25 | 88% | -11 min |
| 2026-02 | 26 | 92% | -15 min |
| 2026-03 | 28 | 93% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 28 | 93% |
| Tue | 30 | 100% |
| Wed | 29 | 93% |
| Thu | 29 | 83% |
| Fri | 29 | 97% |
| Sat | 29 | 97% |
| Sun | 26 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…