How often is WN1543 on time?

Across 57 flights on BOI → DEN from 2025-08-05 to 2025-10-01, WN1543 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +28 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

• WN1543 on DEN → HOU (27 flights)
• WN1543 on RDU → DEN (58 flights)
• WN1543 on SJC → SNA (33 flights)
• WN1543 on EUG → SJC (5 flights)
• WN1543 on DEN → OAK (57 flights)
• WN1543 on OAK → SAN (14 flights)
• WN1543 on MKE → LAS (46 flights)
• WN1543 on BUR → PHX (18 flights)
• WN1543 on PHX → TUL (5 flights)
• WN1543 on DEN → MCI (1 flights)
• WN1543 on SAT → PHX (31 flights)
• WN1543 on DAL → CHS (1 flights)
• WN1543 on OAK → BUR (25 flights)
• WN1543 on MSP → BNA (5 flights)

Related

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