Flights on ONT–DEN arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
Median delayon timetypical arrival
p90 delay55 min1 in 10 flights is worsetail risk
Cancelled0.6%of scheduled flights
based on 2,767 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time79%Medianon timep9050 minCancel0.4%Flights907
- Southwest AirlinesOn-time76%Medianon timep9050 minCancel0.5%Flights1,292
- Frontier AirlinesOn-time72%Medianon timep9070 minCancel1.1%Flights568
Why flights run late
Delay causes
- Airline16%
- Weather4%
- Air traffic (NAS)44%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
Advertisement
Keep exploring