How often is WN866 on time?

Across 42 flights on ECP → STL from 2025-08-05 to 2025-10-01, WN866 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +44 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

• WN866 on ATL → DCA (7 flights)
• WN866 on BWI → AUS (16 flights)
• WN866 on AUS → DAL (4 flights)
• WN866 on DEN → ELP (4 flights)
• WN866 on SMF → BUR (57 flights)
• WN866 on BOI → SMF (24 flights)
• WN866 on HOU → SMF (8 flights)
• WN866 on SMF → ONT (1 flights)
• WN866 on MDW → SLC (33 flights)
• WN866 on IND → BWI (42 flights)
• WN866 on BWI → DEN (11 flights)
• WN866 on CHS → BWI (8 flights)
• WN866 on OAK → LAS (5 flights)
• WN866 on MDW → LAX (34 flights)
• WN866 on BNA → MDW (22 flights)
• WN866 on BUR → OAK (1 flights)
• WN866 on LGB → AUS (9 flights)
• WN866 on AUS → RDU (1 flights)
• WN866 on DEN → STL (8 flights)
• WN866 on STL → LGB (32 flights)
• WN866 on LGB → OAK (32 flights)
• WN866 on HOU → ECP (24 flights)
• WN866 on BNA → BOS (24 flights)
• WN866 on SAN → SFO (10 flights)

Related

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