How often is WN427 on time?

Across 58 flights on SJC → DEN from 2026-04-07 to 2026-06-03, WN427 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +51 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

• WN427 on BDL → MDW (19 flights)
• WN427 on BWI → BDL (27 flights)
• WN427 on MDW → MCI (7 flights)
• WN427 on MSP → BWI (4 flights)
• WN427 on BDL → TPA (4 flights)
• WN427 on DEN → MCO (24 flights)
• WN427 on AUS → DAL (28 flights)
• WN427 on DEN → TUL (5 flights)
• WN427 on DAL → ECP (8 flights)
• WN427 on OAK → BUR (53 flights)
• WN427 on DAL → SNA (5 flights)
• WN427 on PHX → OAK (39 flights)
• WN427 on TPA → AUS (1 flights)
• WN427 on PNS → BNA (33 flights)
• WN427 on LAS → BNA (1 flights)
• WN427 on DAL → PNS (4 flights)
• WN427 on SAV → BWI (26 flights)
• WN427 on STL → DTW (31 flights)
• WN427 on DTW → LAS (31 flights)
• WN427 on BWI → STL (8 flights)
• WN427 on DAL → SAV (8 flights)
• WN427 on ABQ → BWI (1 flights)
• WN427 on DEN → PNS (15 flights)

Related

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