How often is WN1581 on time?

Across 11 flights on DEN → RDU from 2026-02-12 to 2026-03-01, WN1581 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was +1 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

• WN1581 on DAL → MCO (7 flights)
• WN1581 on ABQ → DEN (4 flights)
• WN1581 on SAT → MCO (4 flights)
• WN1581 on PHX → HNL (58 flights)
• WN1581 on MCO → LAS (26 flights)
• WN1581 on MCO → PIT (47 flights)
• WN1581 on AUS → DEN (42 flights)
• WN1581 on OAK → LAX (18 flights)
• WN1581 on PBI → BWI (1 flights)
• WN1581 on ISP → PBI (14 flights)
• WN1581 on DEN → PDX (12 flights)
• WN1581 on MAF → DEN (4 flights)
• WN1581 on DEN → GRR (57 flights)
• WN1581 on SJC → LGB (35 flights)

Related

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