How often is WN455 on time?

Across 42 flights on MDW → HOU from 2026-04-07 to 2026-06-03, WN455 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +15 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

• WN455 on HOU → ATL (7 flights)
• WN455 on MCO → BWI (20 flights)
• WN455 on MCI → BWI (8 flights)
• WN455 on HOU → JAN (33 flights)
• WN455 on MDW → RSW (47 flights)
• WN455 on BNA → BOS (11 flights)
• WN455 on LGA → ATL (55 flights)
• WN455 on AUS → TPA (1 flights)
• WN455 on ATL → PHX (26 flights)
• WN455 on PHX → LAX (26 flights)
• WN455 on ONT → MDW (1 flights)
• WN455 on ATL → TPA (50 flights)
• WN455 on SNA → SJC (7 flights)
• WN455 on DAL → ATL (8 flights)
• WN455 on PHX → LAS (1 flights)
• WN455 on SMF → ONT (35 flights)

Related

• All Southwest Airlines flights on MDW → HOU
• Compare airlines on MDW → HOU
• Southwest Airlines on the return, HOU → MDW