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

Denver, CO (DEN) to Watertown, SD (ATY) flight delay odds

84.6% of 332 official scheduled DEN-to-ATY flights arrived on time; 11.4% arrived at least 30 minutes late and 0.3% 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
84.6%arrived on time
11.4%30+ min late
0.3%cancelled
332scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.3%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-0.6 mincompleted flights

Which departure time was most reliable for DEN to ATY?

Only Afternoon met the DEN-to-ATY departure window threshold: 84.6% of 331 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Afternoon33184.6%11.5%0.3%

Which weekday was most reliable for DEN to ATY?

Among qualifying DEN-to-ATY weekday results, Tuesday had the highest on-time rate: 91.7% of 48 flights. Friday was lowest at 75.0% across 48 flights.

DayFlightsOn time30+ minCancelled
Monday4889.6%10.4%0.0%
Tuesday4891.7%4.2%0.0%
Wednesday4785.1%10.6%0.0%
Thursday4580.0%13.3%0.0%
Friday4875.0%18.8%2.1%
Saturday4885.4%10.4%0.0%
Sunday4885.4%12.5%0.0%

Which airline was most reliable for DEN to ATY?

Only SkyWest Airlines met the DEN-to-ATY airline threshold: 84.6% of 332 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines33284.6%11.4%0.3%

Which month was most reliable for DEN to ATY?

Among qualifying DEN-to-ATY month results, November 2025 had the highest on-time rate: 96.7% of 30 flights. August 2025 was lowest at 67.7% across 31 flights.

MonthFlightsOn time30+ minCancelled
August 20253167.7%29.0%0.0%
September 20253080.0%6.7%0.0%
October 20253190.3%6.5%0.0%
November 20253096.7%3.3%0.0%
December 20253083.3%16.7%0.0%
January 20263080.0%16.7%0.0%
February 20262878.6%21.4%0.0%
March 20263183.9%6.5%3.2%
April 20263093.3%3.3%0.0%
May 20263187.1%12.9%0.0%
June 20263090.0%3.3%0.0%

What drove DEN to ATY delay minutes?

Airline was the largest recorded DEN-to-ATY delay category, accounting for 51.2% of 3,592 BTS-attributed delay minutes during July 2025–June 2026.

Airline51.2%
Late aircraft22.8%
National airspace13.6%
Weather11.3%
Security1.0%
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.