How often is WN4136 on time?

Across 59 flights on PHX → SMF from 2025-11-02 to 2026-01-05, WN4136 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +1 min or later. 2% 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

• WN4136 on RNO → LAS (19 flights)
• WN4136 on DEN → RNO (16 flights)
• WN4136 on LAS → MKE (12 flights)
• WN4136 on PIT → MIA (4 flights)
• WN4136 on PHX → DEN (18 flights)
• WN4136 on ONT → OAK (33 flights)
• WN4136 on OAK → LAS (1 flights)
• WN4136 on DEN → TUL (18 flights)
• WN4136 on SNA → DEN (14 flights)
• WN4136 on PNS → STL (58 flights)
• WN4136 on STL → BWI (24 flights)
• WN4136 on ONT → DEN (24 flights)

Related

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