Best Time to Fly IND to ATL: On-Time Stats by Hour & Airline
Indianapolis International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
3,160 flights were scheduled from Indianapolis (IND) to Atlanta (ATL) in the last 12 months, and 88.1% of those that flew arrived on time, 10.5 points above the US average of 77.6%.
Among 3 airlines, Delta Air Lines led with 90.3% on time and Frontier Airlines was last with 68.1%.
Over 24 months, Tuesday was the most reliable day (91% on time) and December the worst month (82%).
The cancellation rate was 1.3% (US average 1.8%).
IND to ATL 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 | 90.3% | 76 min | 1.4% | 2,692 |
| Southwest Airlines | 78.4% | 52 min | 0.0% | 324 |
| Frontier Airlines | 68.1% | 67 min | 1.4% | 143 |
| American Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly IND to ATL
On-time arrival % by scheduled departure hour (local time), 6,474 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 96.0% | 0.0% | 100 |
| 6am–7am | 94.5% | 1.4% | 838 |
| 7am–8am | 89.9% | 1.1% | 653 |
| 8am–9am | 92.5% | 0.9% | 428 |
| 9am–10am | 96.7% | 0.0% | 122 |
| 10am–11am | 97.1% | 1.9% | 529 |
| 11am–12pm | 90.8% | 1.0% | 690 |
| 12pm–1pm | 83.1% | 0.9% | 330 |
| 1pm–2pm | 85.0% | 1.0% | 385 |
| 2pm–3pm | 88.4% | 0.7% | 453 |
| 3pm–4pm | 72.0% | 0.6% | 176 |
| 4pm–5pm | 79.9% | 1.1% | 457 |
| 5pm–6pm | 82.2% | 0.5% | 413 |
| 6pm–7pm | 79.0% | 0.6% | 491 |
| 7pm–8pm | 79.9% | 1.3% | 298 |
| 8pm–9pm | 70.4% | 1.8% | 110 |
| 9pm–10pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on IND to ATL
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) | 79.3% | -8.9 pts | 0.0% | 117 |
| Christmas & New Year (Dec 20 - Jan 3) | 89.5% | +1.2 pts | 0.8% | 239 |
| Summer peak (Jun 15 - Aug 15) | 85.0% | -3.3 pts | 1.0% | 1,183 |
| All other days | 88.2% | — | 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).