How often is UA3420 on time?

Across 2 flights on GSO → ORD from 2026-05-24 to 2026-05-31, UA3420 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +52 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

• UA3420 on BUF → EWR (34 flights)
• UA3420 on DTW → ORD (2 flights)
• UA3420 on BOS → EWR (6 flights)
• UA3420 on EWR → MEM (21 flights)
• UA3420 on DLH → ORD (32 flights)
• UA3420 on MYR → EWR (24 flights)
• UA3420 on DTW → EWR (151 flights)
• UA3420 on ATL → EWR (5 flights)
• UA3420 on IAD → PHL (1 flights)
• UA3420 on EWR → GRR (20 flights)
• UA3420 on BNA → EWR (3 flights)
• UA3420 on EWR → BGR (14 flights)
• UA3420 on BTV → IAD (49 flights)

Related

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