How often is UA4042 on time?

Across 16 flights on SLC → IAH from 2025-12-02 to 2025-12-17, UA4042 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -24 min, and the worst 10% of flights arrived -11 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

• UA4042 on TUS → IAH (6 flights)
• UA4042 on TYS → IAH (35 flights)
• UA4042 on BHM → IAH (20 flights)
• UA4042 on IAH → SAT (1 flights)
• UA4042 on IAD → LGA (28 flights)
• UA4042 on IAH → MSP (10 flights)
• UA4042 on IAH → CVG (3 flights)
• UA4042 on IAH → BNA (10 flights)
• UA4042 on AUS → IAH (3 flights)
• UA4042 on IAH → DFW (10 flights)
• UA4042 on TUL → IAH (8 flights)

Related

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