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

San Antonio, TX (SAT) to Denver, CO (DEN) flight delay odds

80.3% of 3,027 official scheduled SAT-to-DEN flights arrived on time; 12.6% arrived at least 30 minutes late and 0.4% 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
80.3%arrived on time
12.6%30+ min late
0.4%cancelled
3,027scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.6%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+5.0 mincompleted flights

Which departure time was most reliable for SAT to DEN?

Among qualifying SAT-to-DEN departure window results, Early morning had the highest on-time rate: 89.6% of 898 flights. Evening was lowest at 65.6% across 553 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning89889.6%5.9%0.9%
Late morning40787.2%6.6%0.7%
Afternoon1,16977.8%14.1%0.1%
Evening55365.6%24.8%0.2%

Which weekday was most reliable for SAT to DEN?

Among qualifying SAT-to-DEN weekday results, Wednesday had the highest on-time rate: 81.8% of 390 flights. Thursday was lowest at 78.8% across 463 flights.

DayFlightsOn time30+ minCancelled
Monday45478.9%14.5%0.0%
Tuesday41080.7%11.5%0.5%
Wednesday39081.8%11.5%0.0%
Thursday46378.8%14.0%0.9%
Friday46079.6%13.9%0.7%
Saturday41181.8%11.4%0.5%
Sunday43981.3%10.9%0.5%

Which airline was most reliable for SAT to DEN?

Among qualifying SAT-to-DEN airline results, United Airlines had the highest on-time rate: 80.8% of 1,207 flights. Frontier Airlines was lowest at 78.9% across 370 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,43280.2%12.2%0.3%
United Airlines1,20780.8%12.7%0.6%
Frontier Airlines37078.9%14.6%0.5%
SkyWest Airlines1888.9%5.6%0.0%

Which month was most reliable for SAT to DEN?

Among qualifying SAT-to-DEN month results, November 2025 had the highest on-time rate: 87.6% of 242 flights. June 2026 was lowest at 68.4% across 282 flights.

MonthFlightsOn time30+ minCancelled
July 202527872.3%21.6%0.4%
August 202524074.2%15.0%1.7%
September 202521982.2%9.6%0.5%
October 202525282.5%10.3%0.0%
November 202524287.6%6.2%0.4%
December 202528284.8%10.3%0.0%
January 202622887.3%9.2%0.9%
February 202619386.0%10.4%1.0%
March 202629579.3%14.2%0.3%
April 202625085.6%8.0%0.0%
May 202626678.2%11.3%0.0%
June 202628268.4%22.0%0.4%

What drove SAT to DEN delay minutes?

Late aircraft was the largest recorded SAT-to-DEN delay category, accounting for 38.1% of 38,638 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.0%
Late aircraft38.1%
National airspace30.7%
Weather2.0%
Security0.1%
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.