Route Reliability

Route reliability

Atlanta (ATL) to Cleveland (CLE): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Atlanta, GA (ATL) to Cleveland, OH (CLE), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Atlanta, GACleveland, OH

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

ATL to CLE

Atlanta, GA to Cleveland, OH

On time
77.3%vs 75.6% U.S. average Better than average
Cancelled
2.0%vs 1.9% U.S. average About average
60+ min late
6.3%vs 8.1% U.S. average Better than average
Scheduled flights
3,398in 12 months2 airlines
Most reliable airline
Delta Air Lines80.1% on time · 2,680 flights

On time more often than the U.S. average, with a typical cancellation rate.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from ATL to CLE, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. Delta Air Lines Most reliable 80.1% 1.9% 5.0% 53 min 0.2% 2,680
2. Frontier Airlines 66.9% 2.5% 11.1% 69 min 0.1% 718

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

Delta Air Lines has the strongest record on this route.

  • Delta Air Lines had the best on-time record from Atlanta (ATL) to Cleveland (CLE): 80.1% of its 2,680 scheduled flights arrived within 15 minutes of schedule, compared with 66.9% for Frontier Airlines.
  • 2.0% of flights on this route were cancelled (about 1 in 50), about the same as the U.S. average of 1.9%.
  • 6.3% of flights, about 1 in 16, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 58 min.
  • Overall, 77.3% of flights on this route arrived on time, 1.7 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, September was the most reliable month on this route (89.1% on time) and July the least reliable (67.3%).
  • Cancellations peaked in January, when 3.1% of flights were cancelled.
  • Flights scheduled to depart 7 am to 8 am were the most punctual (87.3% on time); flights scheduled to depart 9 pm to 10 pm were the least (62.9%).
  • In the other direction, Cleveland (CLE) to Atlanta (ATL), 82.6% of flights were on time and 2.0% were cancelled. Compare airlines CLE to ATL.

Best and worst months to fly ATL to CLE

Jan 76.4%
Feb 80.9%
Mar 74.8%
Apr 77.2%
May 77.4%
Jun 73.4%
Jul 67.3%
Aug 77.8%
Sep 89.1%
Oct 85.1%
Nov 83.9%
Dec 74.2%
Share of scheduled flights on time 12-month average 77.3%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 76.4% 678
February 80.9% 661
March 74.8% 770
April 77.2% 758
May 77.4% 861
June 73.4% 901
July 67.3% 914
August 77.8% 882
September 89.1% 865
October 85.1% 911
November 83.9% 818
December 74.2% 757
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
Delta Air Lines September (91.9%) July (68.9%)
Frontier Airlines September (75.8%) December (54.8%)

Month by month, last 12 months

Sep 92.0%
Oct 83.8%
Nov 79.8%
Dec 67.8%
Jan 74.4%
Feb 76.0%
Mar 68.6%
Apr 79.3%
May 83.2%
Jun 79.9%
Jul 64.7%
Aug 76.7%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 92.0% 287
Oct 2025 83.8% 314
Nov 2025 79.8% 263
Dec 2025 67.8% 270
Jan 2026 74.4% 234
Feb 2026 76.0% 225
Mar 2026 68.6% 271
Apr 2026 79.3% 280
May 2026 83.2% 310
Jun 2026 79.9% 323
Jul 2026 64.7% 320
Aug 2026 76.7% 301

Best and worst departure times

<6a Insufficient sample
6a Insufficient sample
7a 87.3%
8a 83.7%
9a 81.7%
10a 75.8%
11a 83.1%
12p Insufficient sample
1p 87.2%
2p 80.9%
3p 78.2%
4p 70.0%
5p 72.2%
6p 67.2%
7p 69.3%
8p 71.7%
9p 62.9%
10p 74.8%
11p Insufficient sample
Share of scheduled flights on time
By scheduled local departure hour at ATL, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am Insufficient sample 32
Departing 6 am to 7 am Insufficient sample 1
Departing 7 am to 8 am 87.3% 237
Departing 8 am to 9 am 83.7% 202
Departing 9 am to 10 am 81.7% 327
Departing 10 am to 11 am 75.8% 95
Departing 11 am to noon 83.1% 350
Departing noon to 1 pm Insufficient sample 23
Departing 1 pm to 2 pm 87.2% 218
Departing 2 pm to 3 pm 80.9% 183
Departing 3 pm to 4 pm 78.2% 206
Departing 4 pm to 5 pm 70.0% 223
Departing 5 pm to 6 pm 72.2% 187
Departing 6 pm to 7 pm 67.2% 119
Departing 7 pm to 8 pm 69.3% 215
Departing 8 pm to 9 pm 71.7% 173
Departing 9 pm to 10 pm 62.9% 186
Departing 10 pm to 11 pm 74.8% 400
Departing 11 pm to midnight Insufficient sample 21
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Atlanta, GA (ATL) to Cleveland, OH (CLE), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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