How often is UA4183 on time?

Across 183 flights on STL → ORD from 2025-08-19 to 2026-06-30, UA4183 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +58 min or later. 1% 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

• UA4183 on ORD → MLI (34 flights)
• UA4183 on ORD → SCE (1 flights)
• UA4183 on EWR → AVL (1 flights)
• UA4183 on EWR → SYR (20 flights)
• UA4183 on AVP → ORD (32 flights)
• UA4183 on AVL → EWR (4 flights)
• UA4183 on AVL → ORD (23 flights)
• UA4183 on ORD → DAY (20 flights)
• UA4183 on IAD → SYR (1 flights)
• UA4183 on IAD → BUF (17 flights)

Related

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