How often is WN457 on time?

Across 15 flights on SMF → SLC from 2026-03-05 to 2026-04-06, WN457 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived -7 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

• WN457 on SJC → ONT (7 flights)
• WN457 on MCI → TPA (20 flights)
• WN457 on MDW → MCI (4 flights)
• WN457 on STL → DAL (49 flights)
• WN457 on PHX → SAT (15 flights)
• WN457 on SAT → MDW (33 flights)
• WN457 on SLC → PHX (15 flights)
• WN457 on STL → RSW (58 flights)
• WN457 on ATL → STL (60 flights)
• WN457 on SMF → SAN (2 flights)
• WN457 on CLE → MDW (5 flights)
• WN457 on PHX → CLE (9 flights)
• WN457 on ATL → PIT (22 flights)
• WN457 on SAN → MDW (34 flights)
• WN457 on MCI → SMF (1 flights)
• WN457 on STL → ATL (24 flights)
• WN457 on SAN → ABQ (10 flights)
• WN457 on ABQ → BNA (5 flights)

Related

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