How often is WN4009 on time?

Across 26 flights on COS → PHX from 2026-04-07 to 2026-06-03, WN4009 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +18 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

• WN4009 on TPA → BWI (19 flights)
• WN4009 on MSY → BWI (24 flights)
• WN4009 on LAS → MKE (7 flights)
• WN4009 on PHX → TPA (8 flights)
• WN4009 on MDW → STL (15 flights)
• WN4009 on MCI → PHX (1 flights)
• WN4009 on HOU → MSY (1 flights)
• WN4009 on LAS → SMF (1 flights)
• WN4009 on PBI → ISP (39 flights)
• WN4009 on ISP → BWI (5 flights)
• WN4009 on PHX → SAN (23 flights)
• WN4009 on SAN → OAK (26 flights)
• WN4009 on PDX → PHX (5 flights)
• WN4009 on MSP → PHX (1 flights)
• WN4009 on PHX → BUR (10 flights)
• WN4009 on SEA → BWI (1 flights)

Related

• All Southwest Airlines flights on COS → PHX
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• Southwest Airlines on the return, PHX → COS