How often is WN2421 on time?

Across 58 flights on LIT → STL from 2026-01-06 to 2026-03-04, WN2421 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +3 min or later. 5% 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

• WN2421 on PHX → MSY (19 flights)
• WN2421 on LAX → PHX (16 flights)
• WN2421 on OAK → LAX (4 flights)
• WN2421 on HOU → SAT (4 flights)
• WN2421 on HOU → SMF (50 flights)
• WN2421 on MKE → LAS (7 flights)
• WN2421 on MIA → STL (15 flights)
• WN2421 on SJU → MCO (10 flights)
• WN2421 on DEN → BHM (64 flights)
• WN2421 on SJC → ONT (1 flights)
• WN2421 on HNL → OAK (30 flights)
• WN2421 on BNA → FLL (24 flights)
• WN2421 on OAK → HOU (16 flights)
• WN2421 on MDW → MSP (24 flights)
• WN2421 on SJC → SNA (5 flights)
• WN2421 on DAL → MYR (5 flights)
• WN2421 on PHX → MCI (1 flights)

Related

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