How often is WN558 on time?

Across 1 flights on BOS → MDW from 2025-10-31 to 2025-10-31, WN558 arrived within 15 minutes of schedule 0% of the time. The median arrival delay was +64 min, and the worst 10% of flights arrived +64 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

• WN558 on SMF → LGB (7 flights)
• WN558 on OAK → BUR (4 flights)
• WN558 on DAL → LAS (4 flights)
• WN558 on SRQ → BNA (58 flights)
• WN558 on BNA → DCA (7 flights)
• WN558 on MDW → SAV (33 flights)
• WN558 on DEN → ELP (42 flights)
• WN558 on BNA → MCI (8 flights)
• WN558 on COS → DEN (5 flights)
• WN558 on HNL → LIH (40 flights)
• WN558 on LAS → BNA (1 flights)
• WN558 on ONT → LAS (1 flights)
• WN558 on ORF → BWI (9 flights)
• WN558 on PHX → LAX (13 flights)
• WN558 on LAX → DAL (8 flights)
• WN558 on BNA → ORF (4 flights)
• WN558 on STL → BNA (4 flights)
• WN558 on PIT → BWI (58 flights)
• WN558 on MCO → BHM (35 flights)
• WN558 on DCA → MCO (5 flights)
• WN558 on BHM → HOU (10 flights)

Related

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