How often is WN1277 on time?

Across 42 flights on DEN → STL from 2025-08-05 to 2025-10-01, WN1277 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +9 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

• WN1277 on SJC → LAS (16 flights)
• WN1277 on LAS → MAF (20 flights)
• WN1277 on DAL → BNA (12 flights)
• WN1277 on MAF → DAL (16 flights)
• WN1277 on MAF → HOU (4 flights)
• WN1277 on SAN → LAS (4 flights)
• WN1277 on DAL → SNA (4 flights)
• WN1277 on BWI → RDU (57 flights)
• WN1277 on MDW → MIA (33 flights)
• WN1277 on SMF → LGB (22 flights)
• WN1277 on SJU → HOU (3 flights)
• WN1277 on BWI → PWM (46 flights)
• WN1277 on PHX → SNA (13 flights)
• WN1277 on ISP → MCO (5 flights)
• WN1277 on SMF → SAN (1 flights)
• WN1277 on DEN → LAS (5 flights)
• WN1277 on LAS → MCO (13 flights)
• WN1277 on DAL → MCO (1 flights)
• WN1277 on SAN → HOU (4 flights)
• WN1277 on BNA → PWM (35 flights)

Related

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