Flight OddsSouthwest Airlines · Salt Lake City, UT to Las Vegas, NV · 57 flights observed, 2025-08-05 to 2025-10-01 · 368 mi
WN355 covers more than one route in the data window — the stats below are for SLC → LAS, the one it has flown most recently. The others are linked under “Other routes”.
How often is WN355 on time?
Across 57 flights on SLC → LAS from 2025-08-05 to 2025-10-01, WN355 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +39 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 | 40 | 70% |
| 16-30 min | 7 | 12% |
| 31-60 min | 8 | 14% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 26 | 81% | -3 min |
| 2025-09 | 30 | 60% | +16 min |
| 2025-10 | 1 | 100% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 9 | 89% |
| Wed | 9 | 78% |
| Thu | 8 | 50% |
| Fri | 8 | 50% |
| Sat | 8 | 75% |
| Sun | 7 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…