How often is WN3720 on time?

Across 23 flights on SJC → MDW from 2026-03-05 to 2026-04-06, WN3720 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +37 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

• WN3720 on LAS → CLE (4 flights)
• WN3720 on RNO → LAS (4 flights)
• WN3720 on SRQ → MDW (4 flights)
• WN3720 on MDW → ROC (4 flights)
• WN3720 on LAS → SNA (1 flights)
• WN3720 on MCO → IND (10 flights)
• WN3720 on SNA → SMF (41 flights)
• WN3720 on BNA → MDW (5 flights)
• WN3720 on ORD → PHX (4 flights)
• WN3720 on DAL → MEM (1 flights)
• WN3720 on DAL → MAF (17 flights)
• WN3720 on STL → DCA (1 flights)
• WN3720 on MDW → MHT (49 flights)
• WN3720 on ATL → HOU (30 flights)

Related

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