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

Indianapolis, IN (IND) to Denver, CO (DEN) flight delay odds

Historically, 76.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,540 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
76.7%arrived on time
14.3%30+ min late
0.6%cancelled
2,540scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.8%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+6.8 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning67788.2%6.5%1.3%
Late morning38483.3%8.3%0.3%
Afternoon73576.6%13.3%0.1%
Evening71664.0%24.9%0.4%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday38174.3%17.1%0.8%
Tuesday32379.9%12.1%0.3%
Wednesday32378.9%12.7%0.0%
Thursday38477.1%13.3%0.5%
Friday39173.1%16.1%1.8%
Saturday33179.5%13.0%0.0%
Sunday40775.7%15.2%0.5%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,40574.6%14.4%0.5%
United Airlines84179.9%13.6%0.8%
Frontier Airlines29477.9%16.0%0.3%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202528870.8%19.4%0.7%
August 202524278.1%14.9%0.8%
September 202521382.2%11.7%0.0%
October 202522677.0%11.1%0.0%
November 202519181.7%9.9%2.6%
December 202518961.9%23.8%0.5%
January 202617380.9%10.4%1.2%
February 202615982.4%14.5%0.0%
March 202621177.7%16.6%0.5%
April 202619580.0%8.7%0.0%
May 202621678.7%13.0%0.9%
June 202623773.0%15.6%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline25.4%
Late aircraft39.2%
National airspace32.7%
Weather2.6%
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.