How often is WN4187 on time?

Across 34 flights on PHL → DEN from 2025-07-01 to 2025-08-04, WN4187 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +25 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

• WN4187 on SAN → SMF (16 flights)
• WN4187 on TPA → PIT (4 flights)
• WN4187 on AUS → DEN (8 flights)
• WN4187 on LAS → SFO (5 flights)
• WN4187 on DEN → MCO (55 flights)
• WN4187 on LAS → OAK (3 flights)
• WN4187 on DAL → RNO (13 flights)
• WN4187 on RNO → LAS (18 flights)
• WN4187 on MDW → LAS (1 flights)
• WN4187 on LAX → ABQ (1 flights)
• WN4187 on STL → ATL (2 flights)
• WN4187 on SAN → HNL (58 flights)

Related

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