Route Reliability

Route reliability

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

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

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

Cleveland, OHAtlanta, GA

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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

CLE to ATL

Cleveland, OH to Atlanta, GA

On time
82.6%vs 75.6% U.S. average Better than average
Cancelled
2.0%vs 1.9% U.S. average About average
60+ min late
5.5%vs 8.1% U.S. average Better than average
Scheduled flights
3,398in 12 months2 airlines
Most reliable airline
Delta Air Lines86.3% 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 CLE to ATL, 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 86.3% 1.9% 4.3% 75 min 0.4% 2,680
2. Frontier Airlines 68.9% 2.4% 10.0% 79 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 Cleveland (CLE) to Atlanta (ATL): 86.3% of its 2,680 scheduled flights arrived within 15 minutes of schedule, compared with 68.9% 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%.
  • 5.5% of flights, about 1 in 18, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 77 min.
  • Overall, 82.6% of flights on this route arrived on time, 7.0 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, September was the most reliable month on this route (90.4% on time) and January the least reliable (74.4%).
  • Cancellations peaked in July, when 3.0% of flights were cancelled.
  • Flights scheduled to depart 8 am to 9 am were the most punctual (90.0% on time); flights scheduled to depart 7 pm to 8 pm were the least (71.2%).
  • In the other direction, Atlanta (ATL) to Cleveland (CLE), 77.3% of flights were on time and 2.0% were cancelled. Compare airlines ATL to CLE.

Best and worst months to fly CLE to ATL

Jan 74.4%
Feb 84.6%
Mar 82.5%
Apr 86.7%
May 81.2%
Jun 80.9%
Jul 76.9%
Aug 85.1%
Sep 90.4%
Oct 90.2%
Nov 84.9%
Dec 79.0%
Share of scheduled flights on time 12-month average 82.6%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 74.4% 676
February 84.6% 661
March 82.5% 770
April 86.7% 759
May 81.2% 862
June 80.9% 897
July 76.9% 915
August 85.1% 882
September 90.4% 865
October 90.2% 912
November 84.9% 821
December 79.0% 757
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
Delta Air Lines October (93.6%) January (76.9%)
Frontier Airlines September (78.1%) January (50.7%)

Month by month, last 12 months

Sep 94.1%
Oct 89.2%
Nov 82.1%
Dec 74.9%
Jan 74.7%
Feb 88.1%
Mar 78.5%
Apr 86.4%
May 81.7%
Jun 80.1%
Jul 74.7%
Aug 86.4%
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 94.1% 287
Oct 2025 89.2% 314
Nov 2025 82.1% 263
Dec 2025 74.9% 271
Jan 2026 74.7% 233
Feb 2026 88.1% 226
Mar 2026 78.5% 270
Apr 2026 86.4% 280
May 2026 81.7% 311
Jun 2026 80.1% 322
Jul 2026 74.7% 320
Aug 2026 86.4% 301

Best and worst departure times

<6a 87.7%
6a 86.9%
7a 81.9%
8a 90.0%
9a Insufficient sample
10a 89.9%
11a 86.7%
12p 86.5%
1p 86.0%
2p 84.0%
3p 61.5%
4p 83.0%
5p 74.4%
6p 77.7%
7p 71.2%
8p Insufficient sample
Share of scheduled flights on time
By scheduled local departure hour at CLE, 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 87.7% 171
Departing 6 am to 7 am 86.9% 389
Departing 7 am to 8 am 81.9% 398
Departing 8 am to 9 am 90.0% 281
Departing 9 am to 10 am Insufficient sample 34
Departing 10 am to 11 am 89.9% 199
Departing 11 am to noon 86.7% 225
Departing noon to 1 pm 86.5% 193
Departing 1 pm to 2 pm 86.0% 114
Departing 2 pm to 3 pm 84.0% 268
Departing 3 pm to 4 pm 61.5% 91
Departing 4 pm to 5 pm 83.0% 277
Departing 5 pm to 6 pm 74.4% 160
Departing 6 pm to 7 pm 77.7% 251
Departing 7 pm to 8 pm 71.2% 302
Departing 8 pm to 9 pm Insufficient sample 45
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 Cleveland, OH (CLE) to Atlanta, GA (ATL), 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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