How often is UA4181 on time?

Across 34 flights on BUF → EWR from 2025-08-20 to 2025-09-25, UA4181 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +9 min or later. 0% 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

• UA4181 on DAY → IAD (6 flights)
• UA4181 on EWR → DCA (35 flights)
• UA4181 on EWR → SYR (18 flights)
• UA4181 on CLE → IAD (3 flights)
• UA4181 on CAE → ORD (52 flights)
• UA4181 on EWR → BGR (24 flights)
• UA4181 on DCA → EWR (1 flights)
• UA4181 on BTV → IAD (32 flights)
• UA4181 on CMH → EWR (5 flights)
• UA4181 on MDT → ORD (17 flights)
• UA4181 on DTW → ORD (1 flights)
• UA4181 on BGR → EWR (53 flights)
• UA4181 on FAR → ORD (30 flights)
• UA4181 on IAD → CLE (3 flights)
• UA4181 on CHA → ORD (19 flights)
• UA4181 on ORF → EWR (30 flights)

Related

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