Southwest Airlines · Washington, DC to Las Vegas, NV · 20 flights observed, 2025-07-03 to 2025-08-04 · 2,089 mi
WN4034 covers more than one route in the data window — the stats below are for DCA → LAS, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN4034 on time?
Across 20 flights on DCA → LAS from 2025-07-03 to 2025-08-04, WN4034 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +187 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 | 11 | 58% |
| 16-30 min | 3 | 16% |
| 31-60 min | 1 | 5% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 3 | 16% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 16 | 63% | +63 min |
| 2025-08 | 3 | 33% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 5 | 60% |
| Fri | 4 | 75% |
| Sat | No data | — |
| Sun | 5 | 20% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…