How often is WN277 on time?

Across 58 flights on BWI → BOS from 2025-08-05 to 2025-10-01, WN277 arrived within 15 minutes of schedule 95% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +7 min or later. 2% 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

• WN277 on AUS → DAL (23 flights)
• WN277 on DAL → PNS (7 flights)
• WN277 on DAL → BNA (12 flights)
• WN277 on DAL → ATL (4 flights)
• WN277 on DCA → MDW (4 flights)
• WN277 on MDW → CMH (51 flights)
• WN277 on CMH → MIA (32 flights)
• WN277 on SAN → BWI (33 flights)
• WN277 on MCO → HOU (32 flights)
• WN277 on SLC → DEN (14 flights)
• WN277 on BNA → FLL (11 flights)
• WN277 on LAS → BNA (7 flights)
• WN277 on BWI → ALB (46 flights)
• WN277 on SAV → BNA (30 flights)
• WN277 on BNA → BWI (17 flights)
• WN277 on ABQ → DAL (5 flights)
• WN277 on ALB → LAS (1 flights)
• WN277 on PHX → LGB (1 flights)
• WN277 on AUS → DEN (17 flights)
• WN277 on LAS → SAT (1 flights)
• WN277 on BOS → DAL (7 flights)
• WN277 on DAL → SAT (7 flights)
• WN277 on ALB → MDW (25 flights)
• WN277 on LAS → SEA (5 flights)
• WN277 on LAS → LIT (5 flights)

Related

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