How often is WN1421 on time?

Across 18 flights on ATL → PHX from 2026-03-07 to 2026-04-05, WN1421 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +31 min, and the worst 10% of flights arrived +61 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

• WN1421 on DAL → VPS (20 flights)
• WN1421 on DEN → DAL (4 flights)
• WN1421 on TUS → LAS (26 flights)
• WN1421 on MDW → TUS (42 flights)
• WN1421 on TUS → PHX (24 flights)
• WN1421 on SMF → PHX (7 flights)
• WN1421 on PHX → LAX (8 flights)
• WN1421 on SJC → LAS (58 flights)
• WN1421 on PDX → SJC (3 flights)
• WN1421 on SMF → LAX (44 flights)
• WN1421 on GSP → BWI (18 flights)
• WN1421 on DEN → MDW (1 flights)
• WN1421 on ABQ → LAS (5 flights)
• WN1421 on LAS → PSP (5 flights)
• WN1421 on PSP → DEN (5 flights)
• WN1421 on PWM → BWI (5 flights)
• WN1421 on SAN → SJC (8 flights)
• WN1421 on AUS → ABQ (4 flights)
• WN1421 on STL → MCO (58 flights)
• WN1421 on DAL → ECP (35 flights)
• WN1421 on AUS → DAL (1 flights)

Related

• All Southwest Airlines flights on ATL → PHX
• Compare airlines on ATL → PHX
• Southwest Airlines on the return, PHX → ATL