Route Reliability

Route reliability

Atlanta (ATL) to Jacksonville (JAX): 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 Jacksonville, FL (JAX), September 2025 to August 2026.

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

Atlanta, GAJacksonville, FL

Check a route

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 JAX

Atlanta, GA to Jacksonville, FL

On time
73.8%vs 75.6% U.S. average Worse than average
Cancelled
1.6%vs 1.9% U.S. average About average
60+ min late
7.4%vs 8.1% U.S. average About average
Scheduled flights
4,076in 12 months2 airlines
Most reliable airline
Delta Air Lines75.1% on time · 3,845 flights

On time less 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 JAX, 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 75.1% 1.6% 6.8% 56 min 0.1% 3,845
2. Frontier Airlines 51.1% 1.7% 17.3% 60 min 0.4% 231

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 Jacksonville (JAX): 75.1% of its 3,845 scheduled flights arrived within 15 minutes of schedule, compared with 51.1% for Frontier Airlines.
  • 1.6% of flights on this route were cancelled (about 1 in 63), about the same as the U.S. average of 1.9%.
  • 7.4% of flights, about 1 in 14, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 56 min.
  • Overall, 73.8% of flights on this route arrived on time, 1.8 points lower than the U.S. average of 75.6%.
  • Over the last 3 years, October was the most reliable month on this route (87.2% on time) and July the least reliable (56.7%).
  • Cancellations peaked in July, when 3.6% of flights were cancelled.
  • Flights scheduled to depart 8 am to 9 am were the most punctual (89.1% on time); flights scheduled to depart 4 pm to 5 pm were the least (59.2%).
  • In the other direction, Jacksonville (JAX) to Atlanta (ATL), 82.2% of flights were on time and 1.7% were cancelled. Compare airlines JAX to ATL.

Best and worst months to fly ATL to JAX

Jan 74.9%
Feb 79.2%
Mar 72.2%
Apr 75.6%
May 70.4%
Jun 69.6%
Jul 56.7%
Aug 69.2%
Sep 84.7%
Oct 87.2%
Nov 85.9%
Dec 77.3%
Share of scheduled flights on time 12-month average 73.8%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 74.9% 1,016
February 79.2% 966
March 72.2% 1,107
April 75.6% 1,055
May 70.4% 1,124
June 69.6% 1,101
July 56.7% 1,128
August 69.2% 1,050
September 84.7% 983
October 87.2% 1,082
November 85.9% 1,059
December 77.3% 1,094

Month by month, last 12 months

Sep 85.1%
Oct 81.2%
Nov 77.7%
Dec 71.3%
Jan 75.2%
Feb 77.8%
Mar 68.5%
Apr 78.9%
May 71.5%
Jun 77.4%
Jul 62.6%
Aug 61.9%
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 85.1% 303
Oct 2025 81.2% 345
Nov 2025 77.7% 327
Dec 2025 71.3% 335
Jan 2026 75.2% 314
Feb 2026 77.8% 302
Mar 2026 68.5% 340
Apr 2026 78.9% 331
May 2026 71.5% 375
Jun 2026 77.4% 368
Jul 2026 62.6% 382
Aug 2026 61.9% 354

Best and worst departure times

7a 87.0%
8a 89.1%
9a 85.0%
10a 84.7%
11a 80.5%
12p 83.6%
1p 79.0%
2p 78.0%
3p 73.4%
4p 59.2%
5p 67.4%
6p 65.3%
7p 66.4%
8p 64.7%
9p 67.9%
10p 72.6%
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 7 am to 8 am 87.0% 269
Departing 8 am to 9 am 89.1% 156
Departing 9 am to 10 am 85.0% 273
Departing 10 am to 11 am 84.7% 209
Departing 11 am to noon 80.5% 164
Departing noon to 1 pm 83.6% 219
Departing 1 pm to 2 pm 79.0% 328
Departing 2 pm to 3 pm 78.0% 59
Departing 3 pm to 4 pm 73.4% 349
Departing 4 pm to 5 pm 59.2% 478
Departing 5 pm to 6 pm 67.4% 270
Departing 6 pm to 7 pm 65.3% 98
Departing 7 pm to 8 pm 66.4% 324
Departing 8 pm to 9 pm 64.7% 238
Departing 9 pm to 10 pm 67.9% 280
Departing 10 pm to 11 pm 72.6% 321
Departing 11 pm to midnight Insufficient sample 41
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 Jacksonville, FL (JAX), 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.

Independent reference site. No government or airline affiliation or endorsement.