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

Tulsa, OK (TUL) to Denver, CO (DEN) flight delay odds

78.8% of 2,430 official scheduled TUL-to-DEN flights arrived on time; 12.3% arrived at least 30 minutes late and 1.0% 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 SIGNALGenerally reliable
78.8%arrived on time
12.3%30+ min late
1.0%cancelled
2,430scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.7%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+6.2 mincompleted flights

Which departure time was most reliable for TUL to DEN?

Among qualifying TUL-to-DEN departure window results, Early morning had the highest on-time rate: 92.3% of 741 flights. Evening was lowest at 66.0% across 748 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning74192.3%3.6%0.8%
Late morning76777.7%12.6%0.8%
Afternoon14579.3%11.0%0.7%
Evening74866.0%21.0%1.5%

Which weekday was most reliable for TUL to DEN?

Among qualifying TUL-to-DEN weekday results, Friday had the highest on-time rate: 82.1% of 351 flights. Saturday was lowest at 77.2% across 320 flights.

DayFlightsOn time30+ minCancelled
Monday35277.6%12.2%0.3%
Tuesday33578.2%14.3%0.3%
Wednesday32478.1%13.9%0.6%
Thursday36579.5%11.8%0.3%
Friday35182.1%10.8%0.9%
Saturday32077.2%12.2%2.2%
Sunday38378.9%11.5%2.3%

Which airline was most reliable for TUL to DEN?

Among qualifying TUL-to-DEN airline results, Southwest Airlines had the highest on-time rate: 81.5% of 893 flights. Frontier Airlines was lowest at 73.8% across 42 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,12978.1%13.1%0.9%
Southwest Airlines89381.5%11.0%1.1%
United Airlines36674.9%12.8%1.1%
Frontier Airlines4273.8%16.7%0.0%

Which month was most reliable for TUL to DEN?

Among qualifying TUL-to-DEN month results, November 2025 had the highest on-time rate: 86.5% of 200 flights. July 2025 was lowest at 64.4% across 216 flights.

MonthFlightsOn time30+ minCancelled
July 202521664.4%22.7%0.5%
August 202520372.4%17.2%1.5%
September 202519783.8%8.1%0.0%
October 202520579.0%9.8%0.0%
November 202520086.5%8.0%1.0%
December 202520382.3%12.3%0.5%
January 202619984.4%5.0%6.0%
February 202618484.2%9.2%0.5%
March 202619781.7%11.7%1.5%
April 202618877.1%12.8%0.5%
May 202621079.0%11.4%0.0%
June 202622873.2%18.0%0.0%

What drove TUL to DEN delay minutes?

National airspace was the largest recorded TUL-to-DEN delay category, accounting for 34.3% of 31,003 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.8%
Late aircraft25.9%
National airspace34.3%
Weather9.1%
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.