On-Time Report

Airports › Atlanta (ATL) › January 2026

Airport month · January 2026

Hartsfield-Jackson Atlanta International in January 2026

74.9%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 January 2026, reporting carriers scheduled 24,595 domestic departures from Hartsfield-Jackson Atlanta International (ATL). 74.9% left less than 15 minutes late and 74.3% reached their destination on time; 5.0% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so ATL departures were 0.7 points below the national departure figure.

A year earlier, in January 2025, the airport had 23,881 departures with 73.5% leaving on time: a change of +1.4 points, with flights up 3%.

Flights arriving at ATL that month were on time 78.2% of the time (24,590 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 26% and national aviation system 20%.

Every scheduled departure from ATL in January 2026, judged by arrival at the destination.

January 2026 against a year earlier, the airport's year and the nation

MeasureJan 2026Jan 2025ATL, 12 months to Jul 2026All reported flights, Jan 2026
Departed on time74.9%73.5%77.1%75.6%
Arrived on time74.3%72.6%76.6%75.3%
Cancelled5.0%5.2%1.8%4.7%
Average departure delay (late minutes only)13.8 min17.4 min15.1 min16.7 min
Scheduled departures a day82079686518,133
Scheduled departures24,59523,881315,859544,003

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
DL Delta Air Lines18,43675%75.5%5.0 min4.8%
F9 Frontier Airlines1,5186%60.3%24.9 min3.6%
WN Southwest Airlines1,4866%84.9%-2.3 min4.0%
OO SkyWest Airlines7053%61.6%31.9 min9.9%
UA United Airlines5472%79.9%0.6 min2.9%
AA American Airlines5062%71.1%13.9 min7.7%
NK Spirit Airlines4582%63.8%17.8 min6.8%
OH PSA Airlines2721%69.1%7.1 min12.9%
YX Republic Airline2381%76.9%-2.9 min6.7%
B6 JetBlue Airways2051%61.5%26.3 min8.3%
MQ Envoy Air1381%65.2%12.9 min5.8%
AS Alaska Airlines860%66.3%11.1 min1.2%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
ATL–LGAAtlanta to New York73379.3%-1.2 min5.5%
ATL–MCOAtlanta to Orlando70272.8%12.0 min2.8%
ATL–FLLAtlanta to Fort Lauderdale67664.2%15.5 min4.0%
ATL–DCAAtlanta to Washington57365.4%15.8 min8.4%
ATL–DFWAtlanta to Dallas/Fort Worth55565.8%14.6 min9.5%
ATL–MIAAtlanta to Miami54764.2%17.7 min3.1%
ATL–EWRAtlanta to Newark51471.2%6.1 min6.4%
ATL–TPAAtlanta to Tampa50371.6%10.4 min2.6%
ATL–ORDAtlanta to Chicago44567.0%17.9 min2.0%
ATL–DENAtlanta to Denver42981.8%1.3 min3.0%
ATL–PHLAtlanta to Philadelphia42572.7%7.3 min6.6%
ATL–DTWAtlanta to Detroit39575.4%10.0 min2.5%

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), January 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Jan 2026Minutes
Air carrier48.3%37.3%149,500
Late-arriving aircraft26.4%35.0%81,847
National Aviation System19.7%18.0%60,895
Extreme weather5.4%9.6%16,647
Security0.3%0.1%809
309,698 delay minutes on 5,053 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← December 2025February 2026 →

Questions and answers

How many flights left ATL on time in January 2026?

74.9% of 24,595 scheduled domestic departures left less than 15 minutes late, and 74.3% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 73.5% of 23,881 departures left on time and 5.2% were cancelled, against 74.9% and 5.0% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.