How often is WN3539 on time?

Across 5 flights on BUF → SRQ from 2026-03-07 to 2026-04-04, WN3539 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +49 min or later. 20% 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

• WN3539 on SAN → SJC (23 flights)
• WN3539 on PHX → RDU (4 flights)
• WN3539 on DEN → SMF (58 flights)
• WN3539 on ATL → DAL (45 flights)
• WN3539 on DAL → LAS (23 flights)
• WN3539 on OMA → MCO (8 flights)
• WN3539 on BWI → AUS (34 flights)
• WN3539 on AUS → MSY (5 flights)

Related

• All Southwest Airlines flights on BUF → SRQ
• Compare airlines on BUF → SRQ
• Southwest Airlines on the return, SRQ → BUF