How often is UA4573 on time?

Across 19 flights on SDF → ORD from 2026-05-01 to 2026-05-20, UA4573 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -25 min, and the worst 10% of flights arrived +70 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

• UA4573 on CLT → EWR (4 flights)
• UA4573 on ORD → HSV (10 flights)
• UA4573 on ORD → SGF (21 flights)
• UA4573 on ORD → GRB (32 flights)
• UA4573 on ORD → TYS (24 flights)
• UA4573 on MLI → ORD (123 flights)
• UA4573 on LNK → ORD (6 flights)
• UA4573 on BUF → ORD (5 flights)
• UA4573 on SYR → EWR (5 flights)
• UA4573 on XNA → ORD (2 flights)
• UA4573 on BTV → EWR (3 flights)
• UA4573 on ORD → MSN (31 flights)
• UA4573 on EWR → CLT (2 flights)

Related

• All United Airlines flights on SDF → ORD
• Compare airlines on SDF → ORD
• United Airlines on the return, ORD → SDF