How often is WN766 on time?

Across 19 flights on BUF → MDW from 2026-06-04 to 2026-06-30, WN766 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +16 min, and the worst 10% of flights arrived +113 min or later. 5% 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

• WN766 on BWI → BUF (7 flights)
• WN766 on MCI → AUS (7 flights)
• WN766 on MDW → MCI (7 flights)
• WN766 on PVD → BWI (7 flights)
• WN766 on MDW → SAV (12 flights)
• WN766 on ATL → AUS (4 flights)
• WN766 on BOS → STL (4 flights)
• WN766 on BNA → RDU (57 flights)
• WN766 on MCI → LAS (1 flights)
• WN766 on BNA → CHS (23 flights)
• WN766 on MCO → IND (5 flights)
• WN766 on SJC → HOU (47 flights)
• WN766 on MKE → MCO (11 flights)
• WN766 on SAN → RNO (54 flights)
• WN766 on RNO → DEN (24 flights)
• WN766 on MIA → STL (4 flights)
• WN766 on BOI → PHX (1 flights)
• WN766 on MSY → MDW (1 flights)
• WN766 on ONT → LAS (13 flights)
• WN766 on TUL → MDW (4 flights)
• WN766 on ORF → MDW (58 flights)
• WN766 on MDW → MSY (24 flights)
• WN766 on BWI → ROC (35 flights)
• WN766 on ROC → LAS (10 flights)
• WN766 on DAL → MSY (10 flights)
• WN766 on MSY → BWI (10 flights)

Related

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