Atlanta (ATL) to Indianapolis (IND): On-Time Performance
Data through May 2026
Atlanta (ATL) to Indianapolis (IND) effectively runs on two schedules. In October 2024, 93% of arrivals were on time; in July 2024 that fell to 59% — a 34-point seasonal swing. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 74%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 8.9
- last 12 months
- Duration
- 1h 31m
- scheduled
- Distance
- 432 mi
Best airline from ATL to IND
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 83% | 11 min | 1.3% | 5,248 |
| Southwest Airlines | 79% | 13 min | 0.6% | 1,004 |
| Spirit Airlines | 74% | 19 min | 1.6% | 62 |
| Frontier Airlines | 66% | 25 min | 1.1% | 180 |
Monthly on-time trend
Best time to fly from ATL to IND
Aim for departures around 7 a.m. (94% on-time); avoid 9 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 13 min |
| Tuesday | 85% | 11 min |
| Wednesdaybest | 86% | 8 min |
| Thursday | 83% | 10 min |
| Friday | 80% | 13 min |
| Saturday | 81% | 12 min |
| Sunday | 77% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft32%
- Airline operations47%
- National airspace system15%
- Weather6%
Frequently asked questions
- How often are flights from ATL to IND delayed?
- 18% of ATL–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.
- Which airline is most reliable from ATL to IND?
- Delta Air Lines has the best on-time record on this route at 83%, based on 5,248 flights. 4 airlines flew ATL–IND frequently enough to compare in this period.
- What is the best time of day to fly from ATL to IND?
- Departures around 7 a.m. have the best record (94% on-time), while departures around 9 p.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to IND?
- The scheduled ATL–IND flight time averages 1h 31m over 432 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are ATL to IND flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from ATL to IND?
- July 2024 was the roughest month in this dataset, with only 59% of arrivals on time. The best was October 2024 at 93%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 6,496 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.