Flight OddsWN1731 LAS → MDW
Southwest Airlines · Las Vegas, NV to Chicago, IL · 41 flights observed, 2026-01-06 to 2026-03-04 · 1,521 mi
WN1731 covers more than one route in the data window — the stats below are for LAS → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
+11 min
90th percentile
+30 min
Cancellation rate
0%
How often is WN1731 on time?
Across 41 flights on LAS → MDW from 2026-01-06 to 2026-03-04, WN1731 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +30 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 | 27 | 66% |
| 16-30 min | 10 | 24% |
| 31-60 min | 4 | 10% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 21 | 76% | +6 min |
| 2026-02 | 17 | 53% | +10 min |
| 2026-03 | 3 | 67% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 8 | 38% |
| Wed | 9 | 78% |
| Thu | 5 | 60% |
| Fri | 6 | 50% |
| Sat | 5 | 80% |
| Sun | 4 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…