ATL to JAX flight delays

ATL JAX Hartsfield Jackson Atlanta to Jacksonville · 270 miles

12,748 flights were scheduled from ATL to JAX over July 2023 through June 2026. Of the 12,577 that made the trip, 76.2% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
12,748
Arrived on time
76.2%
Cancelled
1.2%
Scheduled distance
270 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on ATL–JAX, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Delta Air Lines 76.4% 56 min 1.3% 11,251
Southwest Airlines 76.7% 49 min 0.5% 1,303
Frontier Airlines 58.4% 57 min 1.5% 194

Month by month

July was the month to avoid on ATL–JAX: 58.3% of flights arrived on time, against 87.2% in October. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 76.2%.
Arrival on-time share, ATL to JAX, by calendar month
Month Share flights that arrived on time Flights
January 77% 1,016
February 79.5% 966
March 73% 1,107
April 76.3% 1,055
May 71.1% 1,124
June 70.9% 1,101
July 58.3% 1,114
August 72.1% 1,047
September 85.5% 983
October 87.2% 1,082
November 86.5% 1,059
December 78.1% 1,094

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

ATL to JAX in one number

ATL → JAX

When a flight on this route was late, it was late by about 56 min.

July 2023–June 2026 · 12,748 flights

76.2% of flights arrived on time

Questions about ATL to JAX

Which airline is most reliable from ATL to JAX?
Southwest Airlines — its flights on this pairing arrived on time 76.7% of the time, with 1,303 scheduled. Frontier Airlines came in at 58.4% over 194 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly ATL to JAX?
July, at 58.3% of arrivals on time, with 1,114 flights scheduled. October was the best of the year at 87.2%.
How late are ATL–JAX flights when they are late?
56 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the ATL to JAX flight cancelled?
1.2% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at JAX less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.