How often is WN3638 on time?

Across 39 flights on STL → HOU from 2025-08-07 to 2025-09-29, WN3638 arrived within 15 minutes of schedule 49% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +100 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 MDW → BUF (31 flights)
• WN3638 on BUF → MCO (5 flights)
• WN3638 on CVG → MDW (4 flights)
• WN3638 on MCO → CVG (4 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 STL → HOU
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• Southwest Airlines on the return, HOU → STL