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Flight Reliability

DL 994 · Delta Air Lines

New York → Atlanta (LGA–ATL)95% of its flights flew this route. The rest (LAS–SLC) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
3 min
Average arrival delay
1.5%
Cancelled
9 min early
Median arrival delay

Based on 339 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

DL 994 departing between 12–3 PM arrived on time 82% of the time, versus 75% between 3–6 PM.

Sunday scaries are real for this one.

DL 994 arrived on time 90% of the time on Wednesdays and just 72% on Sundays. That gap is worth planning around.

A bit ahead of the LGA–ATL route.

DL 994 arrived on time 82% of the time, versus 76% across the LGA–ATL route.

The breakdown

On-time by weekday
  • Mon80%(51 flights)
  • Tue82%(51 flights)
  • Wed90%(51 flights)
  • Thu83%(52 flights)
  • Fri85%(52 flights)
  • Sat81%(26 flights)
  • Sun72%(50 flights)
On-time by departure window
  • 12–3 PM82%(317 flights)
  • 3–6 PM75%(16 flights)
On-time trend by month
76%
May

Jun 63% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%27
July 202589%27
August 202596%26
September 2025100%26
October 202567%30
November 202579%28
December 202583%30
January 202670%30
February 202692%26
March 202681%31
April 202693%27
May 202676%25
Departures on time
82%
Diverted
0.3%
Flights flown
333
Months covered
12

Same route, other flights

Keep nerding

Based on 339 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.