How often is WN4143 on time?

Across 14 flights on PHX → SLC from 2025-07-03 to 2025-08-04, WN4143 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +20 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 AUS → LAS (23 flights)
• 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 SJC → ONT (34 flights)

Related

• All Southwest Airlines flights on PHX → SLC
• Compare airlines on PHX → SLC
• Southwest Airlines on the return, SLC → PHX