Best Time to Fly ATL to IND: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Indianapolis International
Data through July 2026 · Last updated October 18, 2026
3,163 flights were scheduled from Atlanta (ATL) to Indianapolis (IND) in the last 12 months, and 82.7% of those that flew arrived on time, 5.1 points above the US average of 77.6%.
Delta Air Lines was the most punctual of the 3 airlines on the route at 83.9%, while Frontier Airlines trailed at 69.7%.
October has been the best month (89% on time) and Sunday the weakest day of the week (78%).
1.3% of flights were cancelled, versus 1.8% nationally.
ATL to IND on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 83.9% | 55 min | 1.5% | 2,693 |
| Southwest Airlines | 78.8% | 49 min | 0.3% | 326 |
| Frontier Airlines | 69.7% | 68 min | 0.7% | 143 |
| American Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to IND
On-time arrival % by scheduled departure hour (local time), 6,473 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 23 | |
| 7am–8am | 95.0% | 1.6% | 494 |
| 8am–9am | 90.6% | 0.8% | 535 |
| 9am–10am | 89.6% | 0.9% | 573 |
| 10am–11am | 75.7% | 5.1% | 39 |
| 11am–12pm | 87.7% | 1.0% | 782 |
| 12pm–1pm | 78.8% | 0.0% | 52 |
| 1pm–2pm | 74.3% | 1.6% | 183 |
| 2pm–3pm | 84.6% | 0.7% | 714 |
| 3pm–4pm | 76.2% | 1.2% | 259 |
| 4pm–5pm | 76.9% | 0.5% | 430 |
| 5pm–6pm | 72.5% | 1.0% | 505 |
| 6pm–7pm | 82.9% | 0.5% | 212 |
| 7pm–8pm | 76.0% | 1.6% | 123 |
| 8pm–9pm | 74.3% | 0.9% | 544 |
| 9pm–10pm | 72.8% | 0.8% | 245 |
| 10pm–11pm | 79.0% | 1.5% | 615 |
| 11pm–12am | 78.5% | 0.7% | 145 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to IND
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 76.1% | -8.0 pts | 0.0% | 117 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.0% | -1.0 pts | 0.8% | 238 |
| Summer peak (Jun 15 - Aug 15) | 75.6% | -8.4 pts | 0.9% | 1,183 |
| All other days | 84.1% | — | 1.1% | 4,935 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).