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Route Reliability

Atlanta → Columbus

ATL–CMH · 447 miles · Hartsfield–Jackson Atlanta International Airport to John Glenn Columbus International Airport

81
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
7 min
Average arrival delay
1.6%
Cancelled
3,199
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 Lines81%2,704 flights
  2. 2.Southwest Airlines80%332 flights
  3. 3.Frontier Airlines56%127 flights

Not enough history to rank: Spirit Airlines (36 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

ATL–CMH flights departing between 6–9 AM arrived on time 91% of the time, versus 73% between 6–9 PM.

Monday is the weak spot.

ATL–CMH flights arrived on time 88% of the time on Wednesdays. On Mondays: 76%.

Delta Air Lines has a clear lead on this route.

Delta Air Lines arrived on time 81% of the time on this route; Frontier Airlines managed 56%.

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
  • Mon76%(499 flights)
  • Tue82%(425 flights)
  • Wed88%(410 flights)
  • Thu83%(468 flights)
  • Fri77%(487 flights)
  • Sat81%(375 flights)
  • Sun76%(478 flights)
On-time by departure window
  • 6–9 AM91%(336 flights)
  • 9 AM–12 PM84%(531 flights)
  • 12–3 PM85%(649 flights)
  • 3–6 PM75%(686 flights)
  • 6–9 PM73%(495 flights)
  • 9 PM–12 AM75%(445 flights)
On-time trend by month
82%
May

Jun 70% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%300
July 202572%295
August 202580%292
September 202586%276
October 202587%293
November 202586%249
December 202574%251
January 202682%222
February 202683%212
March 202677%240
April 202686%247
May 202682%265

Keep nerding

Based on 3,199 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.