BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
PIT→DEN

Pittsburgh, PA (PIT) to Denver, CO (DEN) flight delay odds

80.9% of 1,698 official scheduled PIT-to-DEN flights arrived on time; 11.8% arrived at least 30 minutes late and 0.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
80.9%arrived on time
11.8%30+ min late
0.7%cancelled
1,698scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late2.1%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+3.1 mincompleted flights

Which departure time was most reliable for PIT to DEN?

Among qualifying PIT-to-DEN departure window results, Late morning had the highest on-time rate: 92.7% of 232 flights. Evening was lowest at 60.7% across 356 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning63091.0%4.4%1.0%
Late morning23292.7%4.7%0.0%
Afternoon48076.9%12.9%0.6%
Evening35660.7%27.8%0.8%

Which weekday was most reliable for PIT to DEN?

Among qualifying PIT-to-DEN weekday results, Wednesday had the highest on-time rate: 85.0% of 234 flights. Thursday was lowest at 76.7% across 240 flights.

DayFlightsOn time30+ minCancelled
Monday26582.6%10.6%0.4%
Tuesday24382.7%11.9%0.4%
Wednesday23485.0%12.0%0.0%
Thursday24076.7%13.3%0.4%
Friday26678.9%12.8%0.8%
Saturday21277.4%12.3%1.4%
Sunday23882.4%9.7%1.7%

Which airline was most reliable for PIT to DEN?

Among qualifying PIT-to-DEN airline results, United Airlines had the highest on-time rate: 85.8% of 883 flights. Southwest Airlines was lowest at 75.3% across 766 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines88385.8%7.5%0.7%
Southwest Airlines76675.3%16.1%0.8%
Frontier Airlines4977.6%22.4%0.0%

Which month was most reliable for PIT to DEN?

Among qualifying PIT-to-DEN month results, November 2025 had the highest on-time rate: 93.7% of 158 flights. June 2026 was lowest at 69.1% across 139 flights.

MonthFlightsOn time30+ minCancelled
July 202518572.4%18.9%0.5%
August 202517777.4%16.4%0.6%
September 202516786.2%9.6%0.0%
October 202517889.3%3.4%0.6%
November 202515893.7%3.8%0.0%
December 202513972.7%18.0%0.7%
January 202610677.4%9.4%2.8%
February 20269283.7%13.0%0.0%
March 202612178.5%11.6%3.3%
April 202611792.3%5.1%0.0%
May 202611977.3%15.1%0.8%
June 202613969.1%16.5%0.0%

What drove PIT to DEN delay minutes?

National airspace was the largest recorded PIT-to-DEN delay category, accounting for 36.4% of 19,303 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.9%
Late aircraft34.3%
National airspace36.4%
Weather2.4%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.