How often is WN540 on time?

Across 7 flights on SEA → BWI from 2026-06-09 to 2026-06-30, WN540 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +85 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

• WN540 on JAN → HOU (20 flights)
• WN540 on BNA → JAN (20 flights)
• WN540 on OAK → ONT (57 flights)
• WN540 on TPA → MDW (1 flights)
• WN540 on BNA → GSP (33 flights)
• WN540 on SJC → LAX (53 flights)
• WN540 on DCA → MDW (46 flights)
• WN540 on AUS → SFO (13 flights)
• WN540 on BNA → AUS (18 flights)
• WN540 on MCO → BWI (1 flights)
• WN540 on PNS → DAL (13 flights)
• WN540 on AUS → DEN (1 flights)
• WN540 on BWI → MKE (4 flights)
• WN540 on AUS → DAL (50 flights)
• WN540 on DAL → IND (18 flights)
• WN540 on LAS → AUS (18 flights)
• WN540 on DAL → BWI (24 flights)
• WN540 on SMF → SAN (25 flights)
• WN540 on TUL → MCO (10 flights)
• WN540 on DEN → TUL (5 flights)
• WN540 on SAN → MCO (14 flights)

Related

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