How often is WN770 on time?

Across 33 flights on STL → MDW from 2026-03-05 to 2026-04-06, WN770 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +62 min or later. 9% 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

• WN770 on BNA → STL (23 flights)
• WN770 on STL → HOU (7 flights)
• WN770 on PHX → MDW (4 flights)
• WN770 on BWI → MSP (26 flights)
• WN770 on BNA → RSW (24 flights)
• WN770 on BWI → BNA (1 flights)
• WN770 on AUS → ATL (36 flights)
• WN770 on BUR → PHX (30 flights)
• WN770 on ATL → MDW (8 flights)
• WN770 on PHX → AUS (8 flights)
• WN770 on BWI → MIA (45 flights)
• WN770 on DAL → BNA (18 flights)
• WN770 on SAT → DAL (18 flights)
• WN770 on BNA → PNS (5 flights)
• WN770 on PNS → HOU (5 flights)
• WN770 on TPA → SAT (5 flights)
• WN770 on MIA → AUS (24 flights)
• WN770 on BNA → MDW (3 flights)
• WN770 on BOI → SMF (1 flights)
• WN770 on AUS → PHX (31 flights)
• WN770 on STL → ATL (42 flights)
• WN770 on LAS → GRR (7 flights)
• WN770 on LAX → LAS (7 flights)
• WN770 on DAL → LAS (1 flights)
• WN770 on MCI → DAL (1 flights)
• WN770 on PWM → BWI (19 flights)

Related

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