How often is WN3811 on time?

Across 19 flights on DEN → COS from 2026-06-04 to 2026-06-30, WN3811 arrived within 15 minutes of schedule 32% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +114 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

• WN3811 on MYR → HOU (4 flights)
• WN3811 on PHX → LGB (49 flights)
• WN3811 on LGB → OAK (24 flights)
• WN3811 on DEN → SJC (1 flights)
• WN3811 on ELP → DAL (1 flights)
• WN3811 on MCI → LAS (28 flights)
• WN3811 on STL → OKC (58 flights)
• WN3811 on OKC → HOU (8 flights)
• WN3811 on OKC → MCO (5 flights)
• WN3811 on STL → ATL (1 flights)
• WN3811 on MHT → BWI (31 flights)
• WN3811 on BWI → MDW (5 flights)
• WN3811 on MDW → SJC (5 flights)
• WN3811 on BWI → MCI (13 flights)
• WN3811 on MSP → STL (50 flights)
• WN3811 on MAF → AUS (5 flights)
• WN3811 on SEA → HOU (1 flights)

Related

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