Skip to content
WanderNerd
Check a flight

Route Reliability

Indianapolis → Atlanta

IND–ATL · 432 miles · Indianapolis International Airport to Hartsfield–Jackson Atlanta International Airport

89
Pretty Reliable
WanderNerd Reliability Score
88%
Arrive within 15 minutes
4 min early
Average arrival delay
1.4%
Cancelled
3,242
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines90%2,728 flights
  2. 2.Southwest Airlines80%334 flights
  3. 3.Frontier Airlines64%142 flights

Not enough history to rank: Spirit Airlines (37 flights), American Airlines (1 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning-you made the right choice.

IND–ATL flights departing between 6–9 AM arrived on time 94% of the time, versus 78% between 3–6 PM.

Wednesday has been the better bet.

A small edge: 90% on time on Wednesdays against 85% on Mondays.

Delta Air Lines has a clear lead on this route.

Delta Air Lines arrived on time 90% of the time on this route; Frontier Airlines managed 64%.

Ticking up lately.

IND–ATL flights arrived on time 89% of the time over the last three months in the data, compared with 84% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon85%(511 flights)
  • Tue90%(418 flights)
  • Wed90%(418 flights)
  • Thu89%(478 flights)
  • Fri88%(501 flights)
  • Sat87%(383 flights)
  • Sun87%(474 flights)
On-time by departure window
  • 6–9 AM94%(916 flights)
  • 9 AM–12 PM94%(670 flights)
  • 12–3 PM86%(674 flights)
  • 3–6 PM78%(495 flights)
  • 6–9 PM81%(427 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
89%
May

Jun 82% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%312
July 202586%297
August 202590%288
September 202595%278
October 202593%293
November 202591%242
December 202577%253
January 202689%233
February 202687%228
March 202684%255
April 202692%251
May 202689%253

Keep nerding

Based on 3,242 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.