Boston (BOS) to Indianapolis (IND): On-Time Performance
Data through May 2026
When you fly BOS to IND matters as much as anything else about the booking: the route swung from 93% on-time in January 2025 to just 76% in March 2026. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 72%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 5.5
- last 12 months
- Duration
- 2h 46m
- scheduled
- Distance
- 818 mi
Monthly on-time trend
Best time to fly from BOS to IND
Aim for departures around 6 a.m. (95% on-time); avoid 8 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 14 min |
| Tuesday | 86% | 9 min |
| Wednesday | 86% | 10 min |
| Thursday | 83% | 10 min |
| Friday | 83% | 11 min |
| Saturdaybest | 88% | 11 min |
| Sunday | 81% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft46%
- Airline operations33%
- National airspace system17%
- Weather3%
Frequently asked questions
- How often are flights from BOS to IND delayed?
- 16% of BOS–IND flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from BOS to IND?
- Departures around 6 a.m. have the best record (95% on-time), while departures around 8 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to IND?
- The scheduled BOS–IND flight time averages 2h 46m over 818 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are BOS to IND flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from BOS to IND?
- March 2026 was the roughest month in this dataset, with only 76% of arrivals on time. The best was January 2025 at 93%. If your dates are flexible, that 17-point gap is worth planning around.
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Based on 4,018 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.