How often is WN557 on time?

Across 20 flights on MDW → DAL from 2026-03-05 to 2026-04-06, WN557 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived -5 min or later. 10% 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

• WN557 on AUS → BUR (11 flights)
• WN557 on DAL → TPA (26 flights)
• WN557 on MCI → PHX (24 flights)
• WN557 on PHX → PDX (24 flights)
• WN557 on ABQ → PHX (8 flights)
• WN557 on DEN → ABQ (7 flights)
• WN557 on PHX → RNO (7 flights)
• WN557 on STL → MCO (5 flights)
• WN557 on SFO → SAN (8 flights)
• WN557 on ATL → DAL (42 flights)
• WN557 on ABQ → HOU (13 flights)
• WN557 on PHX → DEN (22 flights)
• WN557 on PHX → ABQ (13 flights)
• WN557 on PIT → PHX (30 flights)
• WN557 on DEN → SFO (1 flights)
• WN557 on BZN → DEN (9 flights)
• WN557 on LGA → HOU (1 flights)
• WN557 on MDW → BNA (21 flights)
• WN557 on BNA → SAN (8 flights)
• WN557 on BOS → MDW (8 flights)
• WN557 on DEN → SNA (42 flights)
• WN557 on DEN → BNA (8 flights)
• WN557 on DEN → LBB (8 flights)
• WN557 on MDW → MSP (34 flights)
• WN557 on SAN → MDW (15 flights)
• WN557 on BWI → CMH (5 flights)
• WN557 on CMH → MDW (5 flights)
• WN557 on SAV → BWI (5 flights)
• WN557 on LAS → MDW (10 flights)

Related

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