How often is WN1427 on time?

Across 11 flights on DEN → BWI from 2026-02-12 to 2026-03-01, WN1427 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +22 min or later. 9% 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

• WN1427 on BNA → LGB (23 flights)
• WN1427 on DCA → BNA (19 flights)
• WN1427 on MCO → AUS (4 flights)
• WN1427 on BWI → BUF (32 flights)
• WN1427 on HOU → MCO (1 flights)
• WN1427 on ELP → PHX (33 flights)
• WN1427 on PHX → BUR (5 flights)
• WN1427 on TUS → MDW (47 flights)
• WN1427 on LAS → TUS (5 flights)
• WN1427 on BOS → DEN (64 flights)
• WN1427 on BWI → BDL (1 flights)
• WN1427 on PIT → STL (9 flights)
• WN1427 on LAS → BOI (21 flights)
• WN1427 on MSY → STL (57 flights)
• WN1427 on MDW → BOS (34 flights)

Related

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