How often is UA3992 on time?

Across 11 flights on BUF → IAD from 2026-04-30 to 2026-05-18, UA3992 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +2 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

• UA3992 on ATL → IAH (54 flights)
• UA3992 on AUS → IAD (2 flights)
• UA3992 on BTR → IAH (55 flights)
• UA3992 on IAH → ATL (4 flights)
• UA3992 on CRP → IAH (1 flights)
• UA3992 on CLE → IAD (50 flights)
• UA3992 on BZN → IAH (6 flights)
• UA3992 on AUS → IAH (1 flights)
• UA3992 on MEM → IAH (4 flights)
• UA3992 on OKC → IAH (1 flights)
• UA3992 on ATL → IAD (22 flights)
• UA3992 on IAH → ECP (31 flights)

Related

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