Flight Check

UA1339

United Airlines flight 1339 — Los Angeles (LAX) to Denver (DEN)

On time

87%

Avg delay

~49 min

Cancelled

0.9%

UA1339 is a reliable flight. About 87% of departures arrive on time. When delays happen, the most common cause is airline operations.

Route

Los Angeles (LAX) → Denver (DEN)

See all airlines on this route

Monthly breakdown

MonthOn timeCancelledAvg delay
2026-0781%0.0%74 min
2026-0687%0.0%34 min
2026-0597%0.0%217 min
2026-0493%0.0%39 min
2026-0493%0.0%72 min
2026-0374%0.0%56 min
2026-0394%0.0%44 min
2026-0286%0.0%33 min
2026-0293%0.0%69 min
2026-0187%3.2%47 min
2026-0197%0.0%94 min
2025-1281%0.0%34 min

Top delay cause

airline operations

Based on 2,150 tracked departures

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Data last updated October 2026. Source: Bureau of Transportation Statistics.