Historical on-time performance
Pittsburgh to Denver
1,290 miData through Dec 2025Source: US DOT · BTS
Flights on PIT–DEN arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 1,705 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time84%Medianon timep9025 minCancel0.2%Flights905
- Southwest AirlinesOn-time76%Medianon timep9050 minCancel0.3%Flights800
Why flights run late
Delay causes
- Airline16%
- Weather5%
- Air traffic (NAS)51%
- Late aircraft28%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PIT → DEN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 64% to 89% on time.
- Mornings89% on time · p90 15 min · 1,985 flights
- Middays88% on time · p90 15 min · 832 flights
- Afternoons77% on time · p90 45 min · 1,245 flights
- Evenings66% on time · p90 65 min · 848 flights
- Overnights64% on time · p90 60 min · 223 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 83% on time.
- Wednesdays83% on time · p90 30 min · 706 flights
- Mondays83% on time · p90 25 min · 766 flights
- Tuesdays83% on time · p90 35 min · 749 flights
- Sundays83% on time · p90 30 min · 740 flights
- Fridays78% on time · p90 40 min · 761 flights
- Saturdays78% on time · p90 40 min · 609 flights
- Thursdays78% on time · p90 35 min · 802 flights
Advertisement
Keep exploring