How often is WN1577 on time?

Across 57 flights on HOU → ONT from 2026-04-07 to 2026-06-03, WN1577 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +29 min or later. 2% 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

• WN1577 on DCA → MCI (7 flights)
• WN1577 on DEN → OAK (23 flights)
• WN1577 on MCI → DEN (7 flights)
• WN1577 on OAK → BUR (11 flights)
• WN1577 on OAK → PDX (12 flights)
• WN1577 on PDX → DAL (16 flights)
• WN1577 on SAT → DEN (12 flights)
• WN1577 on SJC → PDX (4 flights)
• WN1577 on HOU → LGB (4 flights)
• WN1577 on LGB → SJC (4 flights)
• WN1577 on SBA → DEN (1 flights)
• WN1577 on SMF → SBA (1 flights)
• WN1577 on MCO → MSY (33 flights)
• WN1577 on PHX → RNO (30 flights)
• WN1577 on LAS → PHX (32 flights)
• WN1577 on OAK → LAS (31 flights)
• WN1577 on PHX → TUL (21 flights)
• WN1577 on FLL → MCO (1 flights)
• WN1577 on ABQ → DEN (26 flights)
• WN1577 on BNA → LAX (18 flights)
• WN1577 on SLC → BUR (24 flights)
• WN1577 on SEA → SMF (15 flights)
• WN1577 on BUR → STL (35 flights)

Related

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