How often is WN2140 on time?

Across 30 flights on BUF → DEN from 2025-11-02 to 2026-01-05, WN2140 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +16 min or later. 3% 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

• WN2140 on SAN → SFO (7 flights)
• WN2140 on IND → TPA (16 flights)
• WN2140 on SAN → IND (4 flights)
• WN2140 on SJC → SAN (4 flights)
• WN2140 on OAK → LAS (57 flights)
• WN2140 on LAS → TUS (18 flights)
• WN2140 on LAS → STL (8 flights)
• WN2140 on HOU → IND (33 flights)
• WN2140 on STL → DEN (36 flights)
• WN2140 on DCA → STL (27 flights)
• WN2140 on DEN → FAT (11 flights)
• WN2140 on FAT → LAS (11 flights)
• WN2140 on LAS → PHX (3 flights)
• WN2140 on TPA → BUF (64 flights)
• WN2140 on MCI → OAK (1 flights)
• WN2140 on HOU → LAS (26 flights)
• WN2140 on MSP → LAS (40 flights)
• WN2140 on LAS → RNO (7 flights)
• WN2140 on LAS → SNA (1 flights)
• WN2140 on CVG → DEN (30 flights)
• WN2140 on BWI → CVG (10 flights)
• WN2140 on CVG → BNA (5 flights)
• WN2140 on BNA → CVG (1 flights)

Related

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