Washington (IAD) to Indianapolis (IND): On-Time Performance
Data through July 2026
Washington (IAD) to Indianapolis (IND) effectively runs on two schedules. In October 2024, 96% of arrivals were on time; in March 2026 that fell to 73% — a 23-point seasonal swing. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 78%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 50m
- scheduled
- Distance
- 476 mi
Monthly on-time trend
Best time to fly from IAD to IND
Aim for departures around 8 a.m. (89% on-time); avoid 10 p.m. departures (78%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 87% | 14 min |
| Tuesday | 86% | 11 min |
| Wednesday | 84% | 13 min |
| Thursday | 82% | 14 min |
| Friday | 81% | 16 min |
| Saturday | 84% | 17 min |
| Sunday | 85% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations44%
- National airspace system14%
- Weather9%
Frequently asked questions
- How often are flights from IAD to IND delayed?
- 16% of IAD–IND flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- What is the best time of day to fly from IAD to IND?
- Departures around 8 a.m. have the best record (89% on-time), while departures around 10 p.m. have the worst (78%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAD to IND?
- The scheduled IAD–IND flight time averages 1h 50m over 476 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are IAD to IND flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from IAD to IND?
- March 2026 was the roughest month in this dataset, with only 73% of arrivals on time. The best was October 2024 at 96%. If your dates are flexible, that 23-point gap is worth planning around.
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Based on 2,396 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.