Flight OddsWN3959 MDW → LGA
Southwest Airlines · Chicago, IL to New York, NY · 28 flights observed, 2026-03-05 to 2026-04-06 · 725 mi
WN3959 covers more than one route in the data window — the stats below are for MDW → LGA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
29%
Median delay
+18 min
90th percentile
+80 min
Cancellation rate
14%
How often is WN3959 on time?
Across 28 flights on MDW → LGA from 2026-03-05 to 2026-04-06, WN3959 arrived within 15 minutes of schedule 29% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +80 min or later. 14% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 29% |
| 16-30 min | 8 | 33% |
| 31-60 min | 4 | 17% |
| 61-120 min | 4 | 17% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 19 | 26% | +36 min |
| 2026-04 | 5 | 40% | +30 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | 3 | 33% |
| Wed | 4 | 0% |
| Thu | 4 | 0% |
| Fri | 5 | 40% |
| Sat | 5 | 40% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…