How often is WN4459 on time?

Across 32 flights on STL → DEN from 2026-04-09 to 2026-06-01, WN4459 arrived within 15 minutes of schedule 22% of the time. The median arrival delay was +65 min, and the worst 10% of flights arrived +135 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

• WN4459 on MCO → MKE (27 flights)
• WN4459 on MKE → STL (7 flights)
• WN4459 on SJC → SNA (25 flights)
• WN4459 on BWI → CLT (58 flights)
• WN4459 on CLT → BNA (53 flights)
• WN4459 on BNA → CLE (14 flights)
• WN4459 on BNA → SMF (8 flights)
• WN4459 on SMF → LGB (8 flights)
• WN4459 on BNA → CVG (3 flights)
• WN4459 on CLT → DEN (5 flights)
• WN4459 on TPA → DEN (18 flights)
• WN4459 on RNO → LAS (1 flights)
• WN4459 on LGA → BNA (18 flights)
• WN4459 on MCO → SAT (29 flights)
• WN4459 on SAN → LAS (15 flights)
• WN4459 on SAT → SAN (14 flights)
• WN4459 on LAX → OAK (5 flights)
• WN4459 on SAT → LAX (5 flights)
• WN4459 on BNA → SAN (1 flights)

Related

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