Indianapolis (IND) to Washington (IAD): On-Time Performance
Data through July 2026
When you fly IND to IAD matters as much as anything else about the booking: the route swung from 96% on-time in October 2024 to just 65% in December 2025. Across the full period the route averages 87% on-time against a national 78%. Morning departures also hold up better than evening ones (94% vs 84%), which matters most in the rough months.
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 2.7
- last 12 months
- Duration
- 1h 43m
- scheduled
- Distance
- 476 mi
Monthly on-time trend
Best time to fly from IND to IAD
Aim for departures around 5 a.m. (96% on-time); avoid 2 p.m. departures (81%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 89% | 8 min |
| Tuesday | 88% | 6 min |
| Wednesday | 89% | 6 min |
| Thursday | 88% | 12 min |
| Friday | 85% | 11 min |
| Saturdaybest | 90% | 8 min |
| Sunday | 83% | 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 aircraft41%
- Airline operations28%
- National airspace system25%
- Weather6%
Frequently asked questions
- How often are flights from IND to IAD delayed?
- 13% of IND–IAD 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 9 minutes.
- What is the best time of day to fly from IND to IAD?
- Departures around 5 a.m. have the best record (96% on-time), while departures around 2 p.m. have the worst (81%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IND to IAD?
- The scheduled IND–IAD flight time averages 1h 43m over 476 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are IND to IAD flights cancelled?
- 1.5% 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 IND to IAD?
- December 2025 was the roughest month in this dataset, with only 65% of arrivals on time. The best was October 2024 at 96%. If your dates are flexible, that 31-point gap is worth planning around.
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Related guides
Based on 2,398 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.