How often is UA618 on time?

Across 15 flights on DEN → SEA from 2025-12-02 to 2025-12-16, UA618 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +35 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

• UA618 on SAN → IAH (41 flights)
• UA618 on BTV → DEN (21 flights)
• UA618 on MSY → IAH (32 flights)
• UA618 on JAC → ORD (3 flights)
• UA618 on ABQ → IAH (21 flights)
• UA618 on DEN → LAS (22 flights)
• UA618 on FLL → DEN (36 flights)
• UA618 on PIT → ORD (1 flights)
• UA618 on LAS → SJC (1 flights)
• UA618 on DEN → IAH (19 flights)
• UA618 on DEN → MIA (1 flights)
• UA618 on ORD → BOS (32 flights)

Related

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