How often is WN140 on time?

Across 58 flights on STL → DTW from 2026-04-07 to 2026-06-03, WN140 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +58 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

• WN140 on SMF → LAS (7 flights)
• WN140 on ABQ → LAX (12 flights)
• WN140 on SEA → STL (4 flights)
• WN140 on SJC → SEA (4 flights)
• WN140 on STL → OMA (4 flights)
• WN140 on DEN → STL (7 flights)
• WN140 on MCO → STL (1 flights)
• WN140 on SMF → LAX (33 flights)
• WN140 on HOU → MCO (47 flights)
• WN140 on ABQ → MCI (8 flights)
• WN140 on BWI → CLT (59 flights)
• WN140 on BNA → ALB (24 flights)
• WN140 on CLT → BNA (24 flights)
• WN140 on DEN → ABQ (1 flights)
• WN140 on ABQ → DAL (23 flights)
• WN140 on MDW → MCO (50 flights)
• WN140 on STL → BNA (7 flights)
• WN140 on LGA → MCI (1 flights)
• WN140 on MDW → DEN (29 flights)
• WN140 on TPA → MDW (5 flights)
• WN140 on ATL → MDW (1 flights)

Related

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