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Flight Reliability

DL 371 · Delta Air Lines

Atlanta → New York (ATL–LGA)100% of its flights flew this route. The rest (CHS–LGA) are included in these numbers.

81
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
0 min
Average arrival delay
2.6%
Cancelled
6 min early
Median arrival delay

Based on 347 historical flights. Data through May 2026.

What the data says

Tuesday is the weak spot.

DL 371 arrived on time 92% of the time on Fridays. On Tuesdays: 79%.

Better than the ATL–LGA route average.

DL 371 arrived on time 85% of the time, versus 73% across the ATL–LGA route.

A bit ahead of the Delta Air Lines network.

DL 371 arrived on time 85% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 371 arrived on time 92% of the time over the last three months in the data, compared with 75% in the three months before that.

The breakdown

On-time by weekday
  • Mon90%(49 flights)
  • Tue79%(52 flights)
  • Wed83%(52 flights)
  • Thu81%(52 flights)
  • Fri92%(51 flights)
  • Sat88%(32 flights)
  • Sun84%(49 flights)
On-time by departure window
  • 9 AM–12 PM85%(336 flights)
  • 3–6 PM—(1 flights)
On-time trend by month
96%
May

Jun 82% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%28
July 202587%31
August 202587%30
September 2025100%30
October 202582%28
November 202578%23
December 202569%29
January 202679%29
February 202677%26
March 202690%30
April 202689%28
May 202696%25
Departures on time
83%
Diverted
0.3%
Flights flown
337
Months covered
12

Same route, other flights

Keep nerding

Based on 347 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.