How often is UA5739 on time?

Across 37 flights on SFO → STL from 2026-03-29 to 2026-05-20, UA5739 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +61 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

• UA5739 on ORD → MSN (2 flights)
• UA5739 on ORD → CAK (35 flights)
• UA5739 on ORD → CHA (24 flights)
• UA5739 on SHV → IAH (58 flights)
• UA5739 on ORD → BDL (18 flights)
• UA5739 on SAT → IAH (13 flights)
• UA5739 on MFE → IAH (37 flights)
• UA5739 on AUS → IAH (1 flights)
• UA5739 on DEN → STL (49 flights)

Related

• All United Airlines flights on SFO → STL
• Compare airlines on SFO → STL
• United Airlines on the return, STL → SFO