Flight OddsWN255 LGA → MDW
Southwest Airlines · New York, NY to Chicago, IL · 29 flights observed, 2026-03-05 to 2026-04-05 · 725 mi
WN255 covers more than one route in the data window — the stats below are for LGA → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
+12 min
90th percentile
+122 min
Cancellation rate
10%
How often is WN255 on time?
Across 29 flights on LGA → MDW from 2026-03-05 to 2026-04-05, WN255 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +122 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 58% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 4% |
| 61-120 min | 7 | 27% |
| 2+ hrs | 3 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 57% | +52 min |
| 2026-04 | 3 | 67% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 2 | 100% |
| Tue | 4 | 50% |
| Wed | 4 | 50% |
| Thu | 3 | 33% |
| Fri | 4 | 50% |
| Sat | 5 | 100% |
| Sun | 4 | 25% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…