How often is UA4170 on time?

Across 19 flights on BTV → IAD from 2025-12-18 to 2026-01-05, UA4170 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +12 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

• UA4170 on ATW → ORD (30 flights)
• UA4170 on CID → ORD (33 flights)
• UA4170 on ORD → CID (7 flights)
• UA4170 on BTV → EWR (75 flights)
• UA4170 on HSV → ORD (1 flights)
• UA4170 on AVP → ORD (1 flights)
• UA4170 on ORD → CHA (83 flights)
• UA4170 on IAD → BTV (1 flights)
• UA4170 on DAY → ORD (36 flights)
• UA4170 on CAE → ORD (68 flights)
• UA4170 on AVL → ORD (16 flights)

Related

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