How often is WN4220 on time?

Across 23 flights on BWI → MYR from 2026-06-04 to 2026-06-30, WN4220 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +109 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

• WN4220 on DAL → BWI (7 flights)
• WN4220 on SMF → LAS (3 flights)
• WN4220 on LAS → ELP (1 flights)
• WN4220 on LGB → SLC (33 flights)
• WN4220 on SJC → SAN (1 flights)
• WN4220 on SAN → DEN (23 flights)
• WN4220 on DEN → PHX (1 flights)
• WN4220 on LAS → OAK (1 flights)
• WN4220 on MCO → BWI (1 flights)
• WN4220 on DAL → MCO (1 flights)
• WN4220 on PHX → ONT (13 flights)
• WN4220 on LAX → SJC (4 flights)
• WN4220 on PHX → ELP (25 flights)

Related

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