Flight OddsWN1639 MDW → LAS
Southwest Airlines · Chicago, IL to Las Vegas, NV · 50 flights observed, 2026-04-07 to 2026-06-03 · 1,521 mi
WN1639 covers more than one route in the data window — the stats below are for MDW → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
63%
Median delay
+3 min
90th percentile
+68 min
Cancellation rate
2%
How often is WN1639 on time?
Across 50 flights on MDW → LAS from 2026-04-07 to 2026-06-03, WN1639 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +68 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 31 | 63% |
| 16-30 min | 7 | 14% |
| 31-60 min | 5 | 10% |
| 61-120 min | 4 | 8% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 20 | 55% | +18 min |
| 2026-05 | 26 | 73% | +16 min |
| 2026-06 | 3 | 33% | +38 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 25% |
| Tue | 9 | 78% |
| Wed | 9 | 67% |
| Thu | 8 | 63% |
| Fri | 7 | 71% |
| Sat | No data | — |
| Sun | 8 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…