How often is UA4637 on time?

Across 23 flights on CRP → IAH from 2026-03-06 to 2026-03-28, UA4637 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived -1 min or later. 4% 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

• UA4637 on ATW → ORD (7 flights)
• UA4637 on COS → ORD (35 flights)
• UA4637 on IAH → SHV (21 flights)
• UA4637 on BTR → IAH (78 flights)
• UA4637 on AMA → IAH (3 flights)
• UA4637 on PSC → SFO (1 flights)
• UA4637 on DEN → PIA (21 flights)
• UA4637 on BIL → DEN (37 flights)
• UA4637 on DEN → TUS (69 flights)
• UA4637 on DAY → ORD (1 flights)
• UA4637 on AVL → DEN (1 flights)
• UA4637 on BOI → DEN (68 flights)

Related

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