How often is WN820 on time?

Across 33 flights on ATL → BWI from 2026-03-05 to 2026-04-06, WN820 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +45 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

• WN820 on BUR → PHX (19 flights)
• WN820 on MIA → DAL (4 flights)
• WN820 on SLC → PHX (33 flights)
• WN820 on BNA → TPA (24 flights)
• WN820 on PHX → BUR (8 flights)
• WN820 on BOS → AUS (5 flights)
• WN820 on BWI → BOS (5 flights)
• WN820 on PWM → BWI (58 flights)
• WN820 on BWI → CMH (8 flights)
• WN820 on AUS → TPA (46 flights)
• WN820 on DEN → IAD (18 flights)
• WN820 on MCI → AUS (5 flights)
• WN820 on BUF → TPA (1 flights)
• WN820 on DEN → MSY (27 flights)
• WN820 on BUR → OAK (4 flights)
• WN820 on TPA → PIT (58 flights)
• WN820 on DEN → OAK (5 flights)
• WN820 on CMH → PHX (5 flights)
• WN820 on BUF → BWI (10 flights)
• WN820 on BNA → IND (1 flights)

Related

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