How often is WN4240 on time?

Across 39 flights on SAT → STL from 2025-08-07 to 2025-09-29, WN4240 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived -3 min or later. 0% 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

• WN4240 on BNA → MCI (7 flights)
• WN4240 on MCI → LAS (19 flights)
• WN4240 on LGB → BZN (4 flights)
• WN4240 on SJC → SAN (49 flights)
• WN4240 on DEN → HDN (58 flights)
• WN4240 on MDW → MCO (7 flights)
• WN4240 on DEN → COS (5 flights)
• WN4240 on ELP → HOU (1 flights)
• WN4240 on PHX → MCI (14 flights)
• WN4240 on SAN → PHX (14 flights)
• WN4240 on SAN → STL (5 flights)

Related

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