How often is WN4219 on time?

Across 50 flights on SFO → STL from 2026-04-07 to 2026-06-03, WN4219 arrived within 15 minutes of schedule 12% of the time. The median arrival delay was +60 min, and the worst 10% of flights arrived +136 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

• WN4219 on DEN → BZN (16 flights)
• WN4219 on LGB → DEN (4 flights)
• WN4219 on SDF → TPA (4 flights)
• WN4219 on STL → HOU (1 flights)
• WN4219 on MCO → MCI (1 flights)
• WN4219 on SAN → DEN (45 flights)
• WN4219 on HOU → BNA (1 flights)
• WN4219 on ORF → DEN (1 flights)
• WN4219 on BNA → HOU (1 flights)
• WN4219 on MHT → BWI (1 flights)
• WN4219 on MCO → HOU (1 flights)
• WN4219 on SLC → PHX (30 flights)
• WN4219 on PHX → ONT (14 flights)
• WN4219 on SAN → SLC (24 flights)
• WN4219 on PHX → MKE (5 flights)
• WN4219 on SAN → PHX (5 flights)

Related

• All Southwest Airlines flights on SFO → STL
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• Southwest Airlines on the return, STL → SFO