How often is WN428 on time?

Across 16 flights on STL → ECP from 2026-04-11 to 2026-05-31, WN428 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +88 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

• WN428 on BDL → MDW (80 flights)
• WN428 on BWI → BDL (23 flights)
• WN428 on ABQ → BWI (4 flights)
• WN428 on MSP → DEN (42 flights)
• WN428 on DEN → TUS (23 flights)
• WN428 on LAS → HOU (23 flights)
• WN428 on MDW → MSP (24 flights)
• WN428 on TUS → LAS (23 flights)
• WN428 on MDW → STL (1 flights)
• WN428 on DEN → MCI (33 flights)
• WN428 on MCI → STL (5 flights)
• WN428 on MCI → DAL (5 flights)
• WN428 on LAS → SAN (46 flights)
• WN428 on ATL → HOU (18 flights)
• WN428 on OAK → LAS (25 flights)
• WN428 on ALB → LAS (4 flights)
• WN428 on TPA → ALB (4 flights)
• WN428 on SFO → DEN (1 flights)
• WN428 on CMH → BWI (17 flights)
• WN428 on SMF → LGB (14 flights)
• WN428 on LGA → ATL (58 flights)
• WN428 on ATL → MCO (8 flights)
• WN428 on MSY → BNA (30 flights)

Related

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