How often is UA591 on time?

Across 18 flights on PNS → IAH from 2025-08-01 to 2025-08-18, UA591 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +1 min or later. 11% 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

• UA591 on EWR → SAT (190 flights)
• UA591 on EGE → ORD (2 flights)
• UA591 on EGE → IAH (6 flights)
• UA591 on RNO → SFO (1 flights)
• UA591 on MTJ → DEN (8 flights)
• UA591 on ECP → DEN (4 flights)
• UA591 on ATL → IAH (3 flights)
• UA591 on EWR → PBI (25 flights)
• UA591 on HDN → EWR (25 flights)
• UA591 on IAD → AUS (3 flights)
• UA591 on RIC → ORD (2 flights)
• UA591 on EWR → ORD (3 flights)
• UA591 on EWR → CLE (37 flights)
• UA591 on LAS → EWR (14 flights)
• UA591 on EWR → ATL (31 flights)

Related

• All United Airlines flights on PNS → IAH
• Compare airlines on PNS → IAH
• United Airlines on the return, IAH → PNS