How delayed is Atlanta, GA (ATL)?

Atlanta, GA has an on-time rate of 82.3%. The average delay is 11.5 min.

What causes delays at ATL?

The main delay causes at ATL are carrier issues (45.5%), weather (6.3%), NAS/air traffic control (20.2%), and late arriving aircraft (27.8%).

What is the best time to fly from ATL?

The best time to fly from ATL is at 1:00 with a 100.0% on-time rate. Sep is the best month with 88.2% on-time flights.

Atlanta, GA

Atlanta, GA, GA — ATL

On-Time Rate

82.3%

2019-2025

Avg Delay

11.5 min

when delayed

Cancel Rate

1.4%

flights cancelled

Total Flights

2,220,405

2019-2025

Best Month

Sep

88.2% on-time

Worst Month

Jul

74.1% on-time

Best Departure Time

1:00

100.0% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at ATL

Airline	Flights	On-Time	Avg Delay
Delta Air Lines	1,433,226	83.1%	N/A
Southwest Airlines	217,382	79.8%	N/A
Endeavor Air	211,609	89.0%	N/A
SkyWest Airlines	66,007	80.2%	N/A
Spirit Airlines	65,728	75.6%	N/A
Frontier Airlines	55,471	65.5%	N/A
American Airlines	54,513	80.1%	N/A
United Airlines	34,923	78.5%	N/A
Republic Airways	33,942	83.6%	N/A
JetBlue Airways	18,077	71.4%	N/A

Most Delayed Routes

Destination	On-Time
ATL → FATFresno, CA	69.2%
ATL → RNOReno, NV	69.7%
ATL → ANCAnchorage, AK	69.8%
ATL → TTNTrenton, NJ	71.2%
ATL → SBASanta Barbara, CA	72.1%

Most Punctual Routes

Destination	On-Time
ATL → PHFNewport News/Williamsburg, VA	89.3%
ATL → AVPScranton/Wilkes-Barre, PA	89.1%
ATL → DAYDayton, OH	88.9%
ATL → MDTHarrisburg, PA	88.8%
ATL → CHOCharlottesville, VA	88.7%

Was your flight from Atlanta, GA delayed?

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019 through November 2025 and are not real-time. See our data methodology for details.