How often is WN3727 on time?

Across 20 flights on LAX → STL from 2026-03-05 to 2026-04-06, WN3727 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +15 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

• WN3727 on CMH → LAS (7 flights)
• WN3727 on OAK → LAS (4 flights)
• WN3727 on RNO → PHX (4 flights)
• WN3727 on STL → PHL (42 flights)
• WN3727 on PHL → MCO (39 flights)
• WN3727 on SRQ → BWI (27 flights)
• WN3727 on MDW → MCO (22 flights)
• WN3727 on DEN → LBB (5 flights)
• WN3727 on PHX → DEN (14 flights)
• WN3727 on SAN → PHX (13 flights)
• WN3727 on SJC → SAN (21 flights)
• WN3727 on SAN → LAS (8 flights)
• WN3727 on MIA → BNA (4 flights)
• WN3727 on MDW → MSP (42 flights)
• WN3727 on DEN → FLL (16 flights)
• WN3727 on MDW → GRR (35 flights)

Related

• All Southwest Airlines flights on LAX → STL
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• Southwest Airlines on the return, STL → LAX