How often is WN644 on time?

Across 7 flights on STL → AUS from 2026-06-09 to 2026-06-30, WN644 arrived within 15 minutes of schedule 43% of the time. The median arrival delay was +20 min, and the worst 10% of flights arrived +33 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

• WN644 on AUS → MAF (7 flights)
• WN644 on DCA → STL (7 flights)
• WN644 on MAF → LAS (7 flights)
• WN644 on SAN → BOI (12 flights)
• WN644 on ELP → MDW (4 flights)
• WN644 on MDW → ORF (4 flights)
• WN644 on ORF → BWI (4 flights)
• WN644 on AUS → ELP (4 flights)
• WN644 on MDW → MCO (4 flights)
• WN644 on DAL → SFO (40 flights)
• WN644 on DAL → BNA (32 flights)
• WN644 on SMF → DAL (15 flights)
• WN644 on MDW → FLL (58 flights)
• WN644 on SAT → STL (22 flights)
• WN644 on MDW → SAN (13 flights)
• WN644 on BNA → MDW (1 flights)
• WN644 on HOU → MDW (19 flights)
• WN644 on CMH → MCO (17 flights)
• WN644 on MDW → CMH (21 flights)
• WN644 on BNA → LAS (42 flights)
• WN644 on SAV → BWI (15 flights)
• WN644 on BNA → SAV (7 flights)
• WN644 on MDW → BNA (1 flights)
• WN644 on AUS → HOU (1 flights)
• WN644 on SAN → AUS (1 flights)
• WN644 on BNA → AUS (21 flights)
• WN644 on AUS → SJC (5 flights)
• WN644 on TPA → BNA (5 flights)

Related

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