How often is WN2378 on time?

Across 28 flights on DEN → STL from 2026-03-05 to 2026-04-06, WN2378 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +15 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

• WN2378 on CLT → BWI (4 flights)
• WN2378 on HNL → LGB (58 flights)
• WN2378 on SDF → TPA (5 flights)
• WN2378 on STL → BOS (8 flights)
• WN2378 on LAX → AUS (58 flights)
• WN2378 on AUS → ATL (28 flights)
• WN2378 on AUS → SJU (3 flights)
• WN2378 on PVD → DCA (46 flights)
• WN2378 on LGB → PHX (18 flights)
• WN2378 on PHX → DEN (18 flights)
• WN2378 on DCA → MKE (4 flights)
• WN2378 on OAK → ONT (1 flights)
• WN2378 on MKE → LAS (22 flights)
• WN2378 on STL → DEN (34 flights)
• WN2378 on DEN → SFO (10 flights)

Related

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