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

Indianapolis, IN (IND) to Boston, MA (BOS) flight delay odds

76.1% of 2,016 official scheduled IND-to-BOS flights arrived on time; 15.6% arrived at least 30 minutes late and 2.6% 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 SIGNALVariable
76.1%arrived on time
15.6%30+ min late
2.6%cancelled
2,016scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.3%all scheduled flights
120+ minutes late2.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+4.5 mincompleted flights

Which departure time was most reliable for IND to BOS?

Among qualifying IND-to-BOS departure window results, Early morning had the highest on-time rate: 89.7% of 609 flights. Evening was lowest at 62.7% across 576 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning60989.7%4.9%1.6%
Late morning37184.9%10.0%0.8%
Afternoon44068.0%20.9%2.5%
Evening57662.7%26.6%4.5%

Which weekday was most reliable for IND to BOS?

Among qualifying IND-to-BOS weekday results, Saturday had the highest on-time rate: 87.5% of 200 flights. Monday was lowest at 71.8% across 309 flights.

DayFlightsOn time30+ minCancelled
Monday30971.8%15.9%6.1%
Tuesday31273.4%17.6%2.9%
Wednesday30278.1%14.9%1.7%
Thursday30675.8%18.6%1.6%
Friday30876.9%15.6%1.0%
Saturday20087.5%5.5%0.5%
Sunday27973.1%17.9%3.6%

Which airline was most reliable for IND to BOS?

Among qualifying IND-to-BOS airline results, Republic Airways had the highest on-time rate: 76.2% of 1,961 flights. Envoy Air was lowest at 69.4% across 36 flights.

AirlineFlightsOn time30+ minCancelled
Republic Airways1,96176.2%15.6%2.6%
Envoy Air3669.4%19.4%2.8%
Allegiant Air1883.3%11.1%0.0%
Delta Air Lines1100.0%0.0%0.0%

Which month was most reliable for IND to BOS?

Among qualifying IND-to-BOS month results, April 2026 had the highest on-time rate: 87.5% of 168 flights. September 2025 was lowest at 59.4% across 160 flights.

MonthFlightsOn time30+ minCancelled
July 202517766.1%26.6%3.4%
August 202517277.3%14.5%1.7%
September 202516059.4%30.0%2.5%
October 202517362.4%30.1%1.7%
November 202516282.1%12.3%1.9%
December 202516071.9%16.2%1.2%
January 202616977.5%10.1%7.1%
February 202615774.5%10.8%8.3%
March 202617483.3%10.3%2.3%
April 202616887.5%7.1%0.0%
May 202616786.2%6.6%0.6%
June 202617784.7%12.4%0.6%

What drove IND to BOS delay minutes?

National airspace was the largest recorded IND-to-BOS delay category, accounting for 51.2% of 28,867 BTS-attributed delay minutes during July 2025–June 2026.

Airline17.9%
Late aircraft26.9%
National airspace51.2%
Weather3.9%
Security0.2%
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.