On-Time Report

Airports › Atlanta (ATL) › July 2025

Airport month · July 2025

Hartsfield-Jackson Atlanta International in July 2025

67.9%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In July 2025, reporting carriers scheduled 28,551 domestic departures from Hartsfield-Jackson Atlanta International (ATL). 67.9% left less than 15 minutes late and 67.4% reached their destination on time; 1.6% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so ATL departures were 1.8 points below the national departure figure.

A year earlier, in July 2024, the airport had 30,072 departures with 60.2% leaving on time: a change of +7.7 points, with flights down 5%.

Flights arriving at ATL that month were on time 75.2% of the time (28,548 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 29% and national aviation system 22%.

Every scheduled departure from ATL in July 2025, judged by arrival at the destination.

July 2025 against a year earlier, the airport's year and the nation

MeasureJul 2025Jul 2024ATL, 12 months to Jul 2026All reported flights, Jul 2025
Departed on time67.9%60.2%77.1%69.7%
Arrived on time67.4%59.2%76.6%69.0%
Cancelled1.6%5.9%1.8%2.5%
Average departure delay (late minutes only)23.7 min32.6 min15.1 min24.3 min
Scheduled departures a day9521,00286521,048
Scheduled departures28,55130,072315,859631,428

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
DL Delta Air Lines21,85577%68.6%16.4 min1.2%
WN Southwest Airlines1,6696%67.0%18.5 min1.9%
F9 Frontier Airlines1,4285%50.6%40.7 min3.5%
OO SkyWest Airlines7753%67.2%29.8 min0.5%
NK Spirit Airlines7173%69.7%14.9 min1.0%
AA American Airlines7153%61.7%31.9 min3.4%
UA United Airlines6532%69.1%22.6 min3.7%
OH PSA Airlines2221%67.1%14.9 min9.5%
B6 JetBlue Airways1821%56.6%47.8 min6.6%
AS Alaska Airlines1531%69.3%7.9 min1.3%
YX Republic Airline1240%76.6%2.7 min5.6%
MQ Envoy Air580%84.5%-6.4 min3.4%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
ATL–MCOAtlanta to Orlando69756.1%34.2 min0.9%
ATL–LGAAtlanta to New York62057.7%30.8 min5.3%
ATL–DFWAtlanta to Dallas/Fort Worth59063.2%20.0 min3.1%
ATL–DCAAtlanta to Washington58251.4%37.3 min7.6%
ATL–ORDAtlanta to Chicago57064.6%23.6 min2.8%
ATL–TPAAtlanta to Tampa54553.6%29.5 min1.1%
ATL–EWRAtlanta to Newark53955.7%36.1 min6.7%
ATL–PHLAtlanta to Philadelphia52855.5%33.3 min3.6%
ATL–DENAtlanta to Denver52666.9%15.6 min0.8%
ATL–FLLAtlanta to Fort Lauderdale52659.1%24.4 min1.5%
ATL–MIAAtlanta to Miami51957.0%31.6 min1.7%
ATL–BWIAtlanta to Baltimore50858.1%29.5 min3.9%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), July 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Jul 2025Minutes
Air carrier40.8%31.1%267,093
Late-arriving aircraft29.0%40.8%189,636
National Aviation System22.4%20.7%146,545
Extreme weather7.7%7.3%50,188
Security0.1%0.1%561
654,023 delay minutes on 8,720 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← June 2025August 2025 →

Questions and answers

How many flights left ATL on time in July 2025?

67.9% of 28,551 scheduled domestic departures left less than 15 minutes late, and 67.4% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 60.2% of 30,072 departures left on time and 5.9% were cancelled, against 67.9% and 1.6% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ATL · methodology · corrections.