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Flight Reliability

DL 5736 · Delta Air Lines

Boston → New York (BOS–LGA)100% of its flights flew this route. The rest (DCA–BOS) are included in these numbers.

54
A Little Dicey
WanderNerd Reliability Score
72%
Arrive within 15 minutes
19 min
Average arrival delay
5.3%
Cancelled
3 min early
Median arrival delay

Based on 304 historical flights. Data through May 2026.

What the data says

Thursdays have been rough.

DL 5736 arrived on time 79% of the time on Fridays and just 54% on Thursdays. That gap is worth planning around.

A bit behind the BOS–LGA route.

DL 5736 arrived on time 72% of the time, versus 78% across the BOS–LGA route.

Lagging the Delta Air Lines network.

DL 5736 arrived on time 72% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 5736 was cancelled 5.3% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon70%(47 flights)
  • Tue71%(48 flights)
  • Wed77%(47 flights)
  • Thu54%(46 flights)
  • Fri79%(48 flights)
  • Sat—(5 flights)
  • Sun79%(47 flights)
On-time by departure window
  • 12–3 PM—(1 flights)
  • 3–6 PM72%(287 flights)
On-time trend by month
80%
May

Jun 58% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%24
July 202558%24
August 202576%25
September 202577%26
October 202565%26
November 202565%23
December 202569%16
January 202691%22
February 202686%22
March 202663%24
April 202673%26
May 202680%30
Departures on time
74%
Diverted
0%
Flights flown
288
Months covered
12

Same route, other flights

Keep nerding

Based on 304 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.