How often is WN378 on time?

Across 42 flights on STL → ATL from 2025-11-02 to 2026-01-05, WN378 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +28 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

• WN378 on AUS → PHX (23 flights)
• WN378 on DEN → HOU (4 flights)
• WN378 on DEN → BOS (57 flights)
• WN378 on SLC → LAS (25 flights)
• WN378 on DEN → LGB (8 flights)
• WN378 on DEN → LGA (53 flights)
• WN378 on DCA → OMA (13 flights)
• WN378 on SJU → AUS (5 flights)
• WN378 on BWI → SJU (1 flights)
• WN378 on LAX → SMF (9 flights)
• WN378 on SMF → DEN (2 flights)
• WN378 on FLL → MDW (8 flights)
• WN378 on BNA → PHL (39 flights)
• WN378 on BUR → SMF (1 flights)
• WN378 on PDX → SMF (25 flights)
• WN378 on BWI → ABQ (10 flights)

Related

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• Southwest Airlines on the return, ATL → STL