How often is WN3666 on time?

Across 5 flights on BNA → SMF from 2026-01-10 to 2026-02-07, WN3666 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -25 min, and the worst 10% of flights arrived -1 min or later. 20% 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

• WN3666 on SJC → DEN (16 flights)
• WN3666 on ALB → BNA (16 flights)
• WN3666 on MCO → MKE (1 flights)
• WN3666 on MCO → PIT (1 flights)
• WN3666 on AUS → BNA (28 flights)
• WN3666 on BNA → MCO (20 flights)
• WN3666 on MCO → STL (46 flights)
• WN3666 on MDW → CVG (1 flights)
• WN3666 on PHL → DEN (4 flights)
• WN3666 on MDW → CLE (50 flights)
• WN3666 on MKE → DEN (30 flights)

Related

• All Southwest Airlines flights on BNA → SMF
• Compare airlines on BNA → SMF
• Southwest Airlines on the return, SMF → BNA