How often is UA1851 on time?

Across 37 flights on DFW → SFO from 2025-08-19 to 2025-09-24, UA1851 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived -4 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

• UA1851 on ORD → MCI (6 flights)
• UA1851 on DEN → SLC (35 flights)
• UA1851 on SFO → TUS (1 flights)
• UA1851 on ONT → SFO (15 flights)
• UA1851 on SFO → ORD (9 flights)
• UA1851 on FLL → ORD (82 flights)
• UA1851 on ORD → ONT (24 flights)
• UA1851 on ORD → PVD (36 flights)
• UA1851 on FCA → DEN (19 flights)
• UA1851 on ORD → IAH (52 flights)
• UA1851 on IAH → LAX (42 flights)
• UA1851 on BOS → IAH (31 flights)
• UA1851 on SFO → LAX (37 flights)
• UA1851 on BTV → ORD (49 flights)
• UA1851 on ORD → ALB (12 flights)
• UA1851 on ORD → DCA (27 flights)

Related

• All United Airlines flights on DFW → SFO
• Compare airlines on DFW → SFO
• United Airlines on the return, SFO → DFW