How often is UA1488 on time?

Across 77 flights on SMF → DEN from 2025-08-01 to 2025-10-25, UA1488 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived -1 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

• UA1488 on ORD → CLE (118 flights)
• UA1488 on CLE → MCO (34 flights)
• UA1488 on DEN → ORD (32 flights)
• UA1488 on GSP → DEN (3 flights)
• UA1488 on SRQ → ORD (4 flights)
• UA1488 on LAX → ORD (21 flights)
• UA1488 on IAH → ORD (36 flights)
• UA1488 on EWR → SEA (16 flights)
• UA1488 on DFW → EWR (12 flights)
• UA1488 on MCI → IAH (37 flights)
• UA1488 on DEN → BOS (31 flights)
• UA1488 on DEN → DSM (18 flights)
• UA1488 on EWR → SNA (31 flights)

Related

• All United Airlines flights on SMF → DEN
• Compare airlines on SMF → DEN
• United Airlines on the return, DEN → SMF