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

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

84.1% of 997 official scheduled IND-to-IAD flights arrived on time; 7.9% arrived at least 30 minutes late and 1.6% 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
84.1%arrived on time
7.9%30+ min late
1.6%cancelled
997scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.1%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+0.5 mincompleted flights

Which departure time was most reliable for IND to IAD?

Among qualifying IND-to-IAD departure window results, Late morning had the highest on-time rate: 90.8% of 295 flights. Afternoon was lowest at 79.4% across 359 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning7090.0%2.9%0.0%
Late morning29590.8%2.4%1.0%
Afternoon35979.4%10.9%1.4%
Evening27381.3%11.4%2.9%

Which weekday was most reliable for IND to IAD?

Among qualifying IND-to-IAD weekday results, Thursday had the highest on-time rate: 89.0% of 145 flights. Sunday was lowest at 76.0% across 146 flights.

DayFlightsOn time30+ minCancelled
Monday14585.5%9.7%1.4%
Tuesday14084.3%5.7%2.1%
Wednesday13781.0%6.6%3.6%
Thursday14589.0%7.6%0.0%
Friday14686.3%7.5%0.7%
Saturday13886.2%6.5%1.4%
Sunday14676.0%11.6%2.1%

Which airline was most reliable for IND to IAD?

Among qualifying IND-to-IAD airline results, United Airlines had the highest on-time rate: 89.8% of 49 flights. Republic Airways was lowest at 83.8% across 948 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways94883.8%8.1%1.7%
United Airlines4989.8%4.1%0.0%

Which month was most reliable for IND to IAD?

Among qualifying IND-to-IAD month results, April 2026 had the highest on-time rate: 95.2% of 83 flights. December 2025 was lowest at 65.1% across 63 flights.

MonthFlightsOn time30+ minCancelled
July 20259369.9%12.9%7.5%
August 20259384.9%6.5%2.2%
September 20258988.8%4.5%0.0%
October 20258687.2%2.3%0.0%
November 20258786.2%10.3%1.1%
December 20256365.1%25.4%0.0%
January 20266282.3%6.5%6.5%
February 20267091.4%2.9%1.4%
March 20269282.6%6.5%0.0%
April 20268395.2%2.4%0.0%
May 20269386.0%6.5%1.1%
June 20268686.0%11.6%0.0%

What drove IND to IAD delay minutes?

Late aircraft was the largest recorded IND-to-IAD delay category, accounting for 37.4% of 8,843 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.1%
Late aircraft37.4%
National airspace28.4%
Weather1.1%
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.