How often is WN3931 on time?

Across 4 flights on STL → DAL from 2026-06-06 to 2026-06-27, WN3931 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +41 min, and the worst 10% of flights arrived +165 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

• WN3931 on BWI → ATL (23 flights)
• WN3931 on ATL → MCI (16 flights)
• WN3931 on SJU → STL (4 flights)
• WN3931 on LAS → BUR (50 flights)
• WN3931 on BNA → ABQ (8 flights)
• WN3931 on STL → SMF (3 flights)
• WN3931 on SNA → LAS (17 flights)
• WN3931 on DAL → LAS (1 flights)
• WN3931 on MHT → MDW (22 flights)
• WN3931 on OMA → DEN (24 flights)
• WN3931 on BNA → AUS (8 flights)
• WN3931 on PHX → DEN (24 flights)
• WN3931 on HNL → LAS (1 flights)

Related

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