How often is WN3751 on time?

Across 20 flights on MDW → STL from 2026-03-05 to 2026-04-06, WN3751 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +22 min or later. 15% of flights were cancelled.

Delay distribution

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

Performance by month

Performance by day of week

Other routes

• WN3751 on SLC → PHX (27 flights)
• WN3751 on PHX → BNA (49 flights)
• WN3751 on LGA → MDW (15 flights)
• WN3751 on STL → BWI (11 flights)
• WN3751 on FLL → SJU (2 flights)
• WN3751 on BNA → SJU (5 flights)
• WN3751 on BNA → MEM (4 flights)
• WN3751 on MCI → ABQ (1 flights)
• WN3751 on MCO → PHX (18 flights)
• WN3751 on PHX → SLC (5 flights)
• WN3751 on DTW → STL (4 flights)
• WN3751 on STL → BNA (4 flights)
• WN3751 on BWI → MYR (27 flights)
• WN3751 on HOU → MCI (24 flights)
• WN3751 on PIT → HOU (10 flights)

Related

• All Southwest Airlines flights on MDW → STL
• Compare airlines on MDW → STL
• Southwest Airlines on the return, STL → MDW