How often is UA337 on time?

Across 118 flights on PHX → DEN from 2026-03-05 to 2026-06-30, UA337 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +3 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

• UA337 on DEN → MFR (211 flights)
• UA337 on CVG → IAH (50 flights)
• UA337 on EWR → BZN (3 flights)
• UA337 on ORD → EYW (5 flights)
• UA337 on DEN → GTF (19 flights)
• UA337 on IAH → LAS (16 flights)
• UA337 on BOS → DEN (27 flights)
• UA337 on DEN → LAX (2 flights)
• UA337 on DEN → RAP (4 flights)

Related

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