How often is UA591 on time?

Across 190 flights on EWR → SAT from 2025-09-25 to 2026-06-30, UA591 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +18 min or later. 1% 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 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 PNS → IAH (18 flights)
• UA591 on EWR → ATL (31 flights)

Related

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