How often is WN3903 on time?

Across 16 flights on ECP → HOU from 2026-04-11 to 2026-05-31, WN3903 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +63 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

• WN3903 on ATL → MDW (7 flights)
• WN3903 on BUR → PHX (4 flights)
• WN3903 on AUS → MCO (4 flights)
• WN3903 on PHX → SAN (42 flights)
• WN3903 on FAT → LAS (33 flights)
• WN3903 on LAS → SAT (5 flights)
• WN3903 on LAS → LIT (8 flights)
• WN3903 on OAK → SAN (54 flights)
• WN3903 on DEN → OAK (5 flights)
• WN3903 on BWI → BNA (4 flights)
• WN3903 on OGG → HNL (58 flights)
• WN3903 on BWI → TPA (30 flights)

Related

• All Southwest Airlines flights on ECP → HOU
• Compare airlines on ECP → HOU
• Southwest Airlines on the return, HOU → ECP