How often is UA729 on time?

Across 32 flights on MIA → IAH from 2026-03-29 to 2026-04-29, UA729 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +10 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

• UA729 on LAX → ORD (41 flights)
• UA729 on ORD → DCA (4 flights)
• UA729 on ORD → PHL (51 flights)
• UA729 on ORD → CID (2 flights)
• UA729 on RDU → SFO (7 flights)
• UA729 on ORD → IND (38 flights)
• UA729 on SFO → ORD (37 flights)
• UA729 on FLL → SFO (36 flights)
• UA729 on IAH → ORD (19 flights)
• UA729 on SNA → IAH (19 flights)
• UA729 on EWR → SAV (16 flights)
• UA729 on ORD → JAX (28 flights)
• UA729 on ORD → DFW (114 flights)
• UA729 on CLE → ORD (37 flights)
• UA729 on ORD → LAX (3 flights)

Related

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