How often is WN878 on time?

Across 58 flights on BWI → DEN from 2026-01-06 to 2026-03-04, WN878 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +63 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

• WN878 on OAK → PHX (23 flights)
• WN878 on PHX → STL (7 flights)
• WN878 on MSY → MCO (4 flights)
• WN878 on PHX → MSY (4 flights)
• WN878 on MCO → MCI (4 flights)
• WN878 on DTW → MDW (42 flights)
• WN878 on BWI → DTW (39 flights)
• WN878 on DTW → STL (7 flights)
• WN878 on DTW → PHX (8 flights)
• WN878 on CLE → MDW (23 flights)
• WN878 on MDW → MSY (15 flights)
• WN878 on MSY → SAN (25 flights)
• WN878 on SAN → SMF (5 flights)
• WN878 on OMA → MDW (59 flights)
• WN878 on PHX → OMA (23 flights)
• WN878 on HOU → OMA (13 flights)
• WN878 on DEN → OMA (24 flights)
• WN878 on BNA → AUS (4 flights)
• WN878 on BUR → SJC (1 flights)
• WN878 on LGB → DAL (30 flights)
• WN878 on LAS → LBB (1 flights)
• WN878 on PHX → LAS (1 flights)
• WN878 on STL → RDU (50 flights)
• WN878 on MCI → STL (32 flights)
• WN878 on DEN → MCI (25 flights)
• WN878 on PHX → ABQ (10 flights)
• WN878 on ABQ → DEN (10 flights)
• WN878 on LAS → PHX (10 flights)

Related

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