How often is WN3644 on time?

Across 8 flights on SMF → LAS from 2026-02-12 to 2026-03-01, WN3644 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +23 min, and the worst 10% of flights arrived +73 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

• WN3644 on SFO → LAS (19 flights)
• WN3644 on MCO → SJU (4 flights)
• WN3644 on PNS → DEN (58 flights)
• WN3644 on BNA → PNS (24 flights)
• WN3644 on LAS → SAN (15 flights)
• WN3644 on SFO → LAX (5 flights)
• WN3644 on AUS → SMF (18 flights)
• WN3644 on DEN → COS (4 flights)
• WN3644 on BWI → BHM (1 flights)
• WN3644 on MCI → MDW (13 flights)
• WN3644 on MDW → PIT (15 flights)
• WN3644 on PHX → AUS (42 flights)
• WN3644 on AUS → HRL (24 flights)
• WN3644 on HOU → MIA (8 flights)
• WN3644 on SJC → LAX (1 flights)
• WN3644 on OAK → PHX (25 flights)

Related

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