How often is WN255 on time?

Across 34 flights on MDW → BUF from 2025-07-01 to 2025-08-04, WN255 arrived within 15 minutes of schedule 45% of the time. The median arrival delay was +17 min, and the worst 10% of flights arrived +48 min or later. 3% 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

• WN255 on SAV → BNA (7 flights)
• WN255 on AUS → ATL (12 flights)
• WN255 on LAS → LAX (12 flights)
• WN255 on LAX → AUS (12 flights)
• WN255 on PHX → SJC (4 flights)
• WN255 on MCO → PIT (4 flights)
• WN255 on MIA → BWI (58 flights)
• WN255 on LGA → MDW (29 flights)
• WN255 on LAS → TPA (28 flights)
• WN255 on SMF → LAS (28 flights)
• WN255 on LAS → AUS (19 flights)
• WN255 on ATL → TPA (8 flights)
• WN255 on LAS → STL (3 flights)
• WN255 on SNA → SMF (22 flights)
• WN255 on IND → RSW (18 flights)
• WN255 on MAF → HOU (24 flights)
• WN255 on SMF → BOI (1 flights)
• WN255 on LAS → OAK (1 flights)
• WN255 on STL → LAS (1 flights)
• WN255 on MCO → MCI (17 flights)
• WN255 on IND → AUS (14 flights)
• WN255 on TPA → IND (1 flights)
• WN255 on STL → TPA (58 flights)
• WN255 on MCO → MDW (5 flights)

Related

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• Southwest Airlines on the return, BUF → MDW