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

Washington, DC (IAD) to Indianapolis, IN (IND) flight delay odds

82.9% of 992 official scheduled IAD-to-IND flights arrived on time; 10.5% 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 SIGNALLower disruption
82.9%arrived on time
10.5%30+ min late
1.0%cancelled
992scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.7%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.0 mincompleted flights

Which departure time was most reliable for IAD to IND?

Among qualifying IAD-to-IND departure window results, Early morning had the highest on-time rate: 91.1% of 336 flights. Night was lowest at 73.4% across 79 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning33691.1%5.7%0.6%
Afternoon35782.1%10.1%0.8%
Evening21974.9%15.5%1.8%
Night7973.4%19.0%1.3%

Which weekday was most reliable for IAD to IND?

Among qualifying IAD-to-IND weekday results, Wednesday had the highest on-time rate: 84.4% of 135 flights. Friday was lowest at 79.6% across 147 flights.

DayFlightsOn time30+ minCancelled
Monday14583.4%9.7%1.4%
Tuesday13984.2%10.1%0.7%
Wednesday13584.4%10.4%0.7%
Thursday14383.2%9.8%0.0%
Friday14779.6%12.9%0.7%
Saturday13883.3%10.9%1.4%
Sunday14582.1%9.7%2.1%

Which airline was most reliable for IAD to IND?

Among qualifying IAD-to-IND airline results, Republic Airways had the highest on-time rate: 83.4% of 943 flights. United Airlines was lowest at 73.5% across 49 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways94383.4%10.5%1.1%
United Airlines4973.5%10.2%0.0%

Which month was most reliable for IAD to IND?

Among qualifying IAD-to-IND month results, April 2026 had the highest on-time rate: 91.5% of 82 flights. July 2025 was lowest at 70.7% across 92 flights.

MonthFlightsOn time30+ minCancelled
July 20259270.7%16.3%3.3%
August 20259381.7%12.9%0.0%
September 20258987.6%10.1%0.0%
October 20258686.0%10.5%0.0%
November 20258782.8%13.8%1.1%
December 20256275.8%19.4%1.6%
January 20266287.1%6.5%6.5%
February 20267084.3%4.3%0.0%
March 20269272.8%15.2%0.0%
April 20268291.5%4.9%0.0%
May 20269289.1%4.3%1.1%
June 20268585.9%7.1%0.0%

What drove IAD to IND delay minutes?

Airline was the largest recorded IAD-to-IND delay category, accounting for 50.6% of 13,570 BTS-attributed delay minutes during July 2025–June 2026.

Airline50.6%
Late aircraft33.6%
National airspace9.8%
Weather5.9%
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.