How often is UA5518 on time?

Across 3 flights on SFO → SUN from 2025-08-02 to 2025-08-16, UA5518 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived -1 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

• UA5518 on DEN → GCC (4 flights)
• UA5518 on ORD → CLE (21 flights)
• UA5518 on SLC → LAX (3 flights)
• UA5518 on LIT → ORD (11 flights)
• UA5518 on ORD → CVG (56 flights)
• UA5518 on SLC → IAH (1 flights)
• UA5518 on DEN → DSM (4 flights)
• UA5518 on ORD → AVL (37 flights)
• UA5518 on SLC → SFO (61 flights)
• UA5518 on SFO → BUR (47 flights)
• UA5518 on SMF → SFO (31 flights)
• UA5518 on SBP → LAX (4 flights)
• UA5518 on ORD → LIT (14 flights)
• UA5518 on IAH → CLT (4 flights)

Related

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