How often is WN4540 on time?

Across 26 flights on DEN → OAK from 2026-04-07 to 2026-06-03, WN4540 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +47 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

• WN4540 on LAS → BUR (23 flights)
• WN4540 on MCO → PVD (4 flights)
• WN4540 on LAS → DEN (1 flights)
• WN4540 on ONT → SJC (40 flights)
• WN4540 on LAS → ONT (14 flights)
• WN4540 on BWI → ROC (1 flights)
• WN4540 on ROC → LAS (1 flights)
• WN4540 on SMF → SNA (13 flights)
• WN4540 on LAX → SMF (8 flights)
• WN4540 on MCO → ALB (5 flights)

Related

• All Southwest Airlines flights on DEN → OAK
• Compare airlines on DEN → OAK
• Southwest Airlines on the return, OAK → DEN