BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
DEN→SAN

United Airlines Denver, CO (DEN) to San Diego, CA (SAN) reliability

Among 2,081 scheduled United Airlines flights from DEN to SAN, 79.2% arrived on time, 13.6% arrived at least 30 minutes late, and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: United Airlines (UA) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
79.2%arrived on time
13.6%30+ min late
0.5%cancelled
2,081scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late13.6%
60+ minutes late6.5%
Cancelled0.5%
Average arrival+4.3 mincompleted flights

What did United Airlines DEN to SAN record?

United Airlines completed 99.2% of its scheduled reportable DEN to SAN flights in the observation window. 79.2% of all scheduled flights arrived less than 15 minutes late, while 6.5% arrived at least an hour late.

What were United Airlines DEN to SAN disruption rates?

For United Airlines DEN-to-SAN flights, 13.6% arrived at least 30 minutes late, 0.5% were cancelled, and 0.3% were diverted.

Compare all airlines on this route

What was the United Airlines DEN to SAN scheduled cohort?

The United Airlines DEN-to-SAN cohort contained 2,081 scheduled flights; 2,065 completed, 10 were cancelled, and 6 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.