How often is UA393 on time?

Across 36 flights on MIA → IAH from 2026-02-12 to 2026-03-28, UA393 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -22 min, and the worst 10% of flights arrived +2 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

• UA393 on BFL → DEN (40 flights)
• UA393 on IAD → AUS (1 flights)
• UA393 on CLT → IAD (1 flights)
• UA393 on BNA → EWR (21 flights)
• UA393 on EWR → OMA (2 flights)
• UA393 on EWR → MCO (32 flights)
• UA393 on ORF → ORD (6 flights)
• UA393 on COS → DEN (37 flights)
• UA393 on RSW → SFO (17 flights)
• UA393 on ORD → EWR (1 flights)
• UA393 on HNL → SFO (1 flights)
• UA393 on DEN → BNA (16 flights)
• UA393 on DEN → TYS (37 flights)
• UA393 on ONT → SFO (68 flights)
• UA393 on FLL → IAH (16 flights)
• UA393 on IAH → PNS (2 flights)
• UA393 on LGA → ORD (27 flights)
• UA393 on IAH → HNL (4 flights)

Related

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