How often is WN4129 on time?

Across 7 flights on LAS → DAL from 2026-04-12 to 2026-05-31, WN4129 arrived within 15 minutes of schedule 17% of the time. The median arrival delay was +46 min, and the worst 10% of flights arrived +81 min or later. 14% 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

• WN4129 on DAL → PHX (19 flights)
• WN4129 on STL → SRQ (4 flights)
• WN4129 on SAN → SMF (50 flights)
• WN4129 on ONT → DEN (33 flights)
• WN4129 on SMF → PHX (1 flights)
• WN4129 on PHX → DEN (1 flights)
• WN4129 on LAS → TPA (13 flights)
• WN4129 on IND → FLL (5 flights)
• WN4129 on FLL → PIT (1 flights)
• WN4129 on OAK → ABQ (1 flights)
• WN4129 on PIT → HOU (50 flights)
• WN4129 on STL → TPA (35 flights)
• WN4129 on OMA → STL (14 flights)

Related

• All Southwest Airlines flights on LAS → DAL
• Compare airlines on LAS → DAL
• Southwest Airlines on the return, DAL → LAS