How often is WN1543 on time?

Across 27 flights on DEN → HOU from 2026-06-04 to 2026-06-30, WN1543 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +23 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 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 BOI → DEN (57 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 DEN → HOU
• Compare airlines on DEN → HOU
• Southwest Airlines on the return, HOU → DEN