BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ATL→LGA

Atlanta, GA (ATL) to New York, NY (LGA) flight delay odds

70.3% of 8,344 official scheduled ATL-to-LGA flights arrived on time; 17.8% arrived at least 30 minutes late and 3.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
70.3%arrived on time
17.8%30+ min late
3.6%cancelled
8,344scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.2%all scheduled flights
120+ minutes late4.3%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+13.6 mincompleted flights

Which departure time was most reliable for ATL to LGA?

Among qualifying ATL-to-LGA departure window results, Early morning had the highest on-time rate: 86.4% of 1,537 flights. Evening was lowest at 55.3% across 2,040 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,53786.4%5.5%3.4%
Late morning1,70982.0%9.1%2.6%
Afternoon2,54966.8%19.5%3.6%
Evening2,04055.3%30.3%4.3%
Night50959.7%25.0%4.3%

Which weekday was most reliable for ATL to LGA?

Among qualifying ATL-to-LGA weekday results, Wednesday had the highest on-time rate: 75.6% of 1,276 flights. Sunday was lowest at 61.7% across 1,170 flights.

DayFlightsOn time30+ minCancelled
Monday1,27665.4%18.9%6.3%
Tuesday1,29772.2%17.4%2.5%
Wednesday1,27675.6%14.1%2.1%
Thursday1,25169.9%19.2%2.6%
Friday1,26773.5%17.4%2.6%
Saturday80774.8%15.0%1.7%
Sunday1,17061.7%21.6%7.0%

Which airline was most reliable for ATL to LGA?

Among qualifying ATL-to-LGA airline results, Delta Air Lines had the highest on-time rate: 73.9% of 4,936 flights. Frontier Airlines was lowest at 48.9% across 888 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines4,93673.9%14.8%3.0%
Republic Airways1,57573.0%16.1%5.1%
Southwest Airlines93567.0%19.9%3.1%
Frontier Airlines88848.9%34.9%5.1%
Spirit Airlines1080.0%10.0%0.0%

Which month was most reliable for ATL to LGA?

Among qualifying ATL-to-LGA month results, September 2025 had the highest on-time rate: 86.6% of 744 flights. July 2025 was lowest at 57.7% across 620 flights.

MonthFlightsOn time30+ minCancelled
July 202562057.7%27.4%5.3%
August 202560777.1%14.2%1.3%
September 202574486.6%8.6%0.1%
October 202579969.5%19.8%1.6%
November 202576066.1%22.0%2.8%
December 202575360.6%24.6%5.7%
January 202673379.3%9.4%5.5%
February 202667272.2%11.3%7.6%
March 202667459.9%23.7%7.0%
April 202664075.0%15.6%0.6%
May 202667771.2%18.6%1.5%
June 202666567.8%18.2%4.5%

What drove ATL to LGA delay minutes?

National airspace was the largest recorded ATL-to-LGA delay category, accounting for 42.3% of 160,555 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.2%
Late aircraft27.2%
National airspace42.3%
Weather5.0%
Security0.4%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.