How often is WN1321 on time?

Across 31 flights on BWI → BOS from 2026-04-09 to 2026-06-01, WN1321 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +52 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

• WN1321 on LAS → LGB (7 flights)
• WN1321 on LGB → RNO (7 flights)
• WN1321 on MDW → OKC (7 flights)
• WN1321 on OKC → LAS (7 flights)
• WN1321 on LAS → SJC (4 flights)
• WN1321 on DAL → LAS (4 flights)
• WN1321 on MDW → DAL (4 flights)
• WN1321 on MCO → BWI (50 flights)
• WN1321 on DEN → SLC (25 flights)
• WN1321 on BWI → MCO (28 flights)
• WN1321 on MCI → DAL (30 flights)
• WN1321 on DEN → BNA (45 flights)
• WN1321 on BNA → DEN (18 flights)
• WN1321 on DCA → HOU (1 flights)
• WN1321 on DEN → OMA (21 flights)
• WN1321 on BUR → DAL (49 flights)
• WN1321 on BNA → SJC (35 flights)

Related

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