How often is WN3727 on time?

Across 42 flights on STL → PHL from 2026-04-07 to 2026-06-03, WN3727 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +43 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

• WN3727 on CMH → LAS (7 flights)
• WN3727 on OAK → LAS (4 flights)
• WN3727 on RNO → PHX (4 flights)
• WN3727 on PHL → MCO (39 flights)
• WN3727 on LAX → STL (20 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 STL → PHL
• Compare airlines on STL → PHL
• Southwest Airlines on the return, PHL → STL