How often is WN3831 on time?

Across 35 flights on SFO → MDW from 2025-07-01 to 2025-08-04, WN3831 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +20 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

• WN3831 on SMF → SNA (20 flights)
• WN3831 on PHX → MSY (57 flights)
• WN3831 on MCO → BNA (25 flights)
• WN3831 on AUS → SFO (8 flights)
• WN3831 on STL → TPA (58 flights)
• WN3831 on RSW → STL (18 flights)
• WN3831 on LAS → LAX (18 flights)
• WN3831 on LAX → SJC (5 flights)
• WN3831 on GEG → LAS (1 flights)
• WN3831 on LAS → DAL (1 flights)
• WN3831 on LAX → MSY (8 flights)
• WN3831 on MSY → ATL (8 flights)
• WN3831 on BNA → RDU (4 flights)
• WN3831 on MSY → TPA (57 flights)
• WN3831 on PIT → PHX (8 flights)
• WN3831 on TPA → PIT (8 flights)

Related

• All Southwest Airlines flights on SFO → MDW
• Compare airlines on SFO → MDW
• Southwest Airlines on the return, MDW → SFO