WN428 BDL → MDW

Southwest Airlines · Hartford, CT to Chicago, IL · 80 flights observed, 2026-01-06 to 2026-06-30 · 776 mi

This flight runs much more reliably at some times of day than others — 96% on-time departing 3–6am vs. 48% departing 6–9pm.

WN428 covers more than one route in the data window — the stats below are for BDL → MDW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-9 min
90th percentile
+46 min
Cancellation rate
4%

How often is WN428 on time?

Across 80 flights on BDL → MDW from 2026-01-06 to 2026-06-30, WN428 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +46 min or later. 4% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time6281%
16-30 min34%
31-60 min56%
61-120 min45%
2+ hrs34%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012195%-6 min
2026-022596%-6 min
2026-034100%-10 min
2026-062752%+31 min

Performance by day of week

DayFlightsOn-time
Mon1080%
Tue1275%
Wed1275%
Thu1283%
Fri1275%
Sat786%
Sun1292%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…