How often is WN3638 on time?

Across 31 flights on MDW → BUF from 2025-10-02 to 2025-11-01, WN3638 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +54 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

• WN3638 on SFO → BUR (23 flights)
• WN3638 on DAL → LGA (58 flights)
• WN3638 on ONT → DAL (15 flights)
• WN3638 on LAS → RNO (23 flights)
• WN3638 on DAL → ABQ (5 flights)
• WN3638 on BNA → MDW (1 flights)
• WN3638 on RNO → DEN (8 flights)
• WN3638 on PHX → MSP (3 flights)
• WN3638 on MSP → MCO (5 flights)
• WN3638 on MCO → PIT (64 flights)
• WN3638 on BUF → MCO (5 flights)
• WN3638 on CVG → MDW (4 flights)
• WN3638 on MCO → CVG (4 flights)
• WN3638 on STL → HOU (39 flights)
• WN3638 on DCA → STL (8 flights)
• WN3638 on STL → LAS (1 flights)
• WN3638 on MCI → LGA (35 flights)
• WN3638 on OAK → MCI (1 flights)

Related

• All Southwest Airlines flights on MDW → BUF
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• Southwest Airlines on the return, BUF → MDW