How often is WN143 on time?

Across 24 flights on LAS → MDW from 2025-11-03 to 2026-01-01, WN143 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +26 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

• WN143 on PHX → SMF (7 flights)
• WN143 on ABQ → OAK (12 flights)
• WN143 on LAS → BHM (4 flights)
• WN143 on PHX → LAS (4 flights)
• WN143 on STL → PHX (4 flights)
• WN143 on HOU → SMF (4 flights)
• WN143 on AUS → DAL (58 flights)
• WN143 on DAL → LAS (8 flights)
• WN143 on DAL → SDF (5 flights)
• WN143 on MDW → GRR (5 flights)
• WN143 on SDF → MDW (5 flights)
• WN143 on PHX → OAK (2 flights)
• WN143 on LBB → DAL (28 flights)
• WN143 on MKE → AUS (25 flights)
• WN143 on LAX → SFO (5 flights)
• WN143 on OAK → LAS (59 flights)
• WN143 on LAS → DEN (13 flights)
• WN143 on LAS → STL (4 flights)
• WN143 on MDW → OAK (1 flights)
• WN143 on DAL → DCA (2 flights)
• WN143 on ABQ → LAX (1 flights)
• WN143 on MHT → BWI (22 flights)
• WN143 on MDW → PHL (4 flights)
• WN143 on PHX → BUR (51 flights)
• WN143 on SJC → BUR (25 flights)
• WN143 on ONT → SJC (5 flights)
• WN143 on SLC → BNA (5 flights)

Related

• All Southwest Airlines flights on LAS → MDW
• Compare airlines on LAS → MDW
• Southwest Airlines on the return, MDW → LAS