How often is WN4143 on time?

Across 23 flights on AUS → LAS from 2026-06-04 to 2026-06-30, WN4143 arrived within 15 minutes of schedule 13% of the time. The median arrival delay was +28 min, and the worst 10% of flights arrived +62 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

• WN4143 on LAS → LAX (4 flights)
• WN4143 on SMF → SAN (24 flights)
• WN4143 on BWI → ATL (1 flights)
• WN4143 on PDX → OAK (1 flights)
• WN4143 on RDU → BWI (1 flights)
• WN4143 on PHL → STL (26 flights)
• WN4143 on SJC → LAS (31 flights)
• WN4143 on ONT → PHX (15 flights)
• WN4143 on PHX → SLC (14 flights)
• WN4143 on SJC → ONT (34 flights)

Related

• All Southwest Airlines flights on AUS → LAS
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• Southwest Airlines on the return, LAS → AUS