How often is WN1991 on time?

Across 18 flights on STL → PHL from 2025-11-22 to 2026-01-04, WN1991 arrived within 15 minutes of schedule 39% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +92 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

• WN1991 on HOU → JAN (12 flights)
• WN1991 on JAN → BNA (12 flights)
• WN1991 on HOU → PHX (50 flights)
• WN1991 on PHX → DEN (32 flights)
• WN1991 on PHX → SFO (7 flights)
• WN1991 on LAS → DSM (28 flights)
• WN1991 on CLE → TPA (5 flights)
• WN1991 on DEN → LAX (47 flights)
• WN1991 on ATL → DEN (28 flights)
• WN1991 on IND → FLL (11 flights)
• WN1991 on LAS → SAN (46 flights)
• WN1991 on PHL → MCO (18 flights)
• WN1991 on AUS → STL (5 flights)
• WN1991 on AUS → SAN (1 flights)
• WN1991 on MCO → ORD (31 flights)
• WN1991 on BZN → MDW (57 flights)
• WN1991 on LAS → BZN (15 flights)
• WN1991 on ABQ → HOU (35 flights)
• WN1991 on LAX → ABQ (6 flights)
• WN1991 on OAK → LAX (4 flights)
• WN1991 on HOU → DCA (10 flights)

Related

• All Southwest Airlines flights on STL → PHL
• Compare airlines on STL → PHL
• Southwest Airlines on the return, PHL → STL