How often is WN4577 on time?

Across 15 flights on SMF → SNA from 2025-07-03 to 2025-08-04, WN4577 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +20 min or later. 7% 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

• WN4577 on BWI → BUF (16 flights)
• WN4577 on DAL → MIA (4 flights)
• WN4577 on MCI → LAS (1 flights)
• WN4577 on TPA → MDW (15 flights)
• WN4577 on BWI → SJC (18 flights)
• WN4577 on FLL → BWI (5 flights)
• WN4577 on TPA → CMH (1 flights)
• WN4577 on SAN → LAS (1 flights)
• WN4577 on DAL → MCO (1 flights)
• WN4577 on RSW → STL (1 flights)
• WN4577 on BNA → DAL (1 flights)
• WN4577 on JAN → BNA (5 flights)
• WN4577 on BNA → BWI (22 flights)
• WN4577 on MCO → BNA (1 flights)
• WN4577 on SFO → LAS (8 flights)
• WN4577 on SNA → SMF (10 flights)

Related

• All Southwest Airlines flights on SMF → SNA
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• Southwest Airlines on the return, SNA → SMF