Route Reliability

Route reliability

Jacksonville (JAX) to Atlanta (ATL): which airline is most on time?

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

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

Jacksonville, FLAtlanta, 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

JAX to ATL

Jacksonville, FL to Atlanta, GA

On time
82.2%vs 75.6% U.S. average Better than average
Cancelled
1.7%vs 1.9% U.S. average About average
60+ min late
6.2%vs 8.1% U.S. average Better than average
Scheduled flights
4,077in 12 months2 airlines
Most reliable airline
Delta Air Lines84.3% on time · 3,846 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 JAX 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 84.3% 1.6% 5.3% 80 min 0.2% 3,846
2. Frontier Airlines 45.9% 2.6% 21.6% 79 min 0.9% 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 Jacksonville (JAX) to Atlanta (ATL): 84.3% of its 3,846 scheduled flights arrived within 15 minutes of schedule, compared with 45.9% for Frontier Airlines.
  • 1.7% of flights on this route were cancelled (about 1 in 59), about the same as the U.S. average of 1.9%.
  • 6.2% of flights, about 1 in 16, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 80 min.
  • Overall, 82.2% of flights on this route arrived on time, 6.6 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, October was the most reliable month on this route (90.9% on time) and July the least reliable (67.2%).
  • Cancellations peaked in July, when 3.6% of flights were cancelled.
  • Flights scheduled to depart 6 am to 7 am were the most punctual (92.6% on time); flights scheduled to depart 6 pm to 7 pm were the least (65.2%).
  • In the other direction, Atlanta (ATL) to Jacksonville (JAX), 73.8% of flights were on time and 1.6% were cancelled. Compare airlines ATL to JAX.

Best and worst months to fly JAX to ATL

Jan 84.1%
Feb 87.0%
Mar 83.6%
Apr 84.6%
May 80.0%
Jun 81.1%
Jul 67.2%
Aug 77.7%
Sep 89.4%
Oct 90.9%
Nov 90.8%
Dec 84.4%
Share of scheduled flights on time 12-month average 82.2%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 84.1% 1,014
February 87.0% 966
March 83.6% 1,107
April 84.6% 1,054
May 80.0% 1,124
June 81.1% 1,102
July 67.2% 1,128
August 77.7% 1,050
September 89.4% 983
October 90.9% 1,082
November 90.8% 1,060
December 84.4% 1,097

Month by month, last 12 months

Sep 93.1%
Oct 87.5%
Nov 88.4%
Dec 82.4%
Jan 85.6%
Feb 84.8%
Mar 77.9%
Apr 88.2%
May 78.9%
Jun 84.0%
Jul 69.6%
Aug 69.8%
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 93.1% 303
Oct 2025 87.5% 345
Nov 2025 88.4% 327
Dec 2025 82.4% 336
Jan 2026 85.6% 313
Feb 2026 84.8% 302
Mar 2026 77.9% 340
Apr 2026 88.2% 331
May 2026 78.9% 375
Jun 2026 84.0% 369
Jul 2026 69.6% 382
Aug 2026 69.8% 354

Best and worst departure times

<6a 91.9%
6a 92.6%
7a 91.3%
8a 90.4%
9a 86.8%
10a 88.6%
11a 87.3%
12p 82.2%
1p 80.0%
2p 80.1%
3p 81.8%
4p 74.9%
5p 74.4%
6p 65.2%
7p 69.4%
8p 66.2%
Share of scheduled flights on time
By scheduled local departure hour at JAX, 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 91.9% 298
Departing 6 am to 7 am 92.6% 311
Departing 7 am to 8 am 91.3% 366
Departing 8 am to 9 am 90.4% 364
Departing 9 am to 10 am 86.8% 243
Departing 10 am to 11 am 88.6% 149
Departing 11 am to noon 87.3% 323
Departing noon to 1 pm 82.2% 107
Departing 1 pm to 2 pm 80.0% 265
Departing 2 pm to 3 pm 80.1% 221
Departing 3 pm to 4 pm 81.8% 159
Departing 4 pm to 5 pm 74.9% 179
Departing 5 pm to 6 pm 74.4% 386
Departing 6 pm to 7 pm 65.2% 328
Departing 7 pm to 8 pm 69.4% 248
Departing 8 pm to 9 pm 66.2% 130
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 Jacksonville, FL (JAX) 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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