How often is UA4426 on time?

Across 15 flights on ORD → BUF from 2025-08-01 to 2025-08-18, UA4426 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +22 min or later. 7% 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

• UA4426 on GSO → ORD (40 flights)
• UA4426 on TVC → ORD (1 flights)
• UA4426 on ORD → XNA (70 flights)
• UA4426 on EWR → ROC (3 flights)
• UA4426 on PIT → EWR (21 flights)
• UA4426 on EWR → BTV (36 flights)
• UA4426 on EWR → CVG (19 flights)
• UA4426 on ATW → ORD (118 flights)
• UA4426 on STL → ORD (2 flights)
• UA4426 on EWR → CLE (3 flights)
• UA4426 on ORD → FSD (21 flights)

Related

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