How often is WN437 on time?

Across 19 flights on HOU → BHM from 2026-06-04 to 2026-06-30, WN437 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +22 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

• WN437 on BHM → TPA (7 flights)
• WN437 on BHM → DEN (12 flights)
• WN437 on BOI → SAN (4 flights)
• WN437 on LAX → AUS (49 flights)
• WN437 on MKE → LAS (1 flights)
• WN437 on MCO → AUS (28 flights)
• WN437 on BHM → LAS (25 flights)
• WN437 on LAS → ONT (3 flights)
• WN437 on AUS → SAN (64 flights)
• WN437 on DCA → AUS (24 flights)
• WN437 on AUS → SFO (1 flights)
• WN437 on MCO → FLL (31 flights)
• WN437 on MSY → LAS (57 flights)
• WN437 on LAS → LBB (1 flights)
• WN437 on ATL → PHX (34 flights)
• WN437 on MDW → ATL (13 flights)
• WN437 on MSY → ATL (5 flights)

Related

• All Southwest Airlines flights on HOU → BHM
• Compare airlines on HOU → BHM
• Southwest Airlines on the return, BHM → HOU