Flight OddsWN3257 MDW → DAL
Southwest Airlines · Chicago, IL to Dallas, TX · 58 flights observed, 2026-04-07 to 2026-06-03 · 793 mi
WN3257 covers more than one route in the data window — the stats below are for MDW → DAL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-2 min
90th percentile
+28 min
Cancellation rate
2%
How often is WN3257 on time?
Across 58 flights on MDW → DAL from 2026-04-07 to 2026-06-03, WN3257 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +28 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 | 46 | 82% |
| 16-30 min | 5 | 9% |
| 31-60 min | 2 | 4% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 24 | 88% | 0 min |
| 2026-05 | 29 | 76% | +18 min |
| 2026-06 | 3 | 100% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 88% |
| Tue | 8 | 88% |
| Wed | 9 | 89% |
| Thu | 8 | 75% |
| Fri | 8 | 100% |
| Sat | 8 | 50% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…