How often is UA1591 on time?

Across 20 flights on EWR → LAS from 2026-01-08 to 2026-02-09, UA1591 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -22 min, and the worst 10% of flights arrived +4 min or later. 10% 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

• UA1591 on LAX → IAH (139 flights)
• UA1591 on IAH → PIT (41 flights)
• UA1591 on IAH → ATL (63 flights)
• UA1591 on LAS → LAX (137 flights)
• UA1591 on ORF → ORD (3 flights)
• UA1591 on MSN → ORD (23 flights)
• UA1591 on LAX → EWR (14 flights)
• UA1591 on IAH → MIA (48 flights)

Related

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