Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 975 · Delta Air Lines

New York → Atlanta (LGA–ATL)92% of its flights flew this route. The rest (ATL–BTV, BTV–ATL) are included in these numbers.

41
Bring Snacks
WanderNerd Reliability Score
66%
Arrive within 15 minutes
21 min
Average arrival delay
6.8%
Cancelled
6 min early
Median arrival delay

Based on 324 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

DL 975 departing between 9 AM–12 PM arrived on time 75% of the time, versus 50% between 12–3 PM.

Thursdays have been rough.

DL 975 arrived on time 77% of the time on Wednesdays and just 53% on Thursdays. That gap is worth planning around.

Lagging the LGA–ATL route.

DL 975 arrived on time 66% of the time, versus 76% across the LGA–ATL route.

Well behind the Delta Air Lines network.

DL 975 arrived on time 66% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon72%(46 flights)
  • Tue67%(48 flights)
  • Wed77%(48 flights)
  • Thu53%(45 flights)
  • Fri65%(48 flights)
  • Sat60%(25 flights)
  • Sun62%(42 flights)
On-time by departure window
  • 9 AM–12 PM75%(12 flights)
  • 12–3 PM50%(12 flights)
  • 6–9 PM66%(278 flights)
On-time trend by month
71%
May

Jun 52% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%27
July 202550%30
August 202566%35
September 202582%28
October 202573%26
November 202552%23
December 202527%15
January 202677%22
February 202691%22
March 202663%24
April 202673%26
May 202671%24
Departures on time
60%
Diverted
0%
Flights flown
302
Months covered
12

Same route, other flights

Keep nerding

Based on 324 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.