How often is WN850 on time?

Across 55 flights on BWI → BOS from 2026-01-06 to 2026-03-04, WN850 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +6 min or later. 7% 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

• WN850 on BNA → CMH (27 flights)
• WN850 on RDU → BNA (31 flights)
• WN850 on RNO → PHX (1 flights)
• WN850 on PHX → AUS (23 flights)
• WN850 on BNA → SDF (13 flights)
• WN850 on AUS → BNA (8 flights)
• WN850 on BOS → AUS (14 flights)
• WN850 on BNA → JAX (59 flights)
• WN850 on BUR → LAS (1 flights)
• WN850 on AUS → SJC (19 flights)
• WN850 on PNS → STL (12 flights)
• WN850 on HOU → LAS (42 flights)
• WN850 on LAS → PHX (17 flights)
• WN850 on TPA → BHM (31 flights)
• WN850 on LAS → LGB (32 flights)
• WN850 on BHM → HOU (32 flights)
• WN850 on MCI → MCO (35 flights)

Related

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