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Flight Reliability

DL 5744 · Delta Air Lines

Boston → New York (BOS–LGA)98% of its flights flew this route. The rest (LGA–STL, STL–LGA) are included in these numbers.

79
Usually Fine
WanderNerd Reliability Score
86%
Arrive within 15 minutes
2 min
Average arrival delay
3.7%
Cancelled
7 min early
Median arrival delay

Based on 299 historical flights. Data through May 2026.

What the data says

Tuesdays have been rough.

DL 5744 arrived on time 92% of the time on Fridays and just 75% on Tuesdays. That gap is worth planning around.

Better than the BOS–LGA route average.

DL 5744 arrived on time 86% of the time, versus 78% across the BOS–LGA route.

A bit ahead of the Delta Air Lines network.

DL 5744 arrived on time 86% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 5744 was cancelled 3.7% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon85%(47 flights)
  • Tue75%(47 flights)
  • Wed88%(50 flights)
  • Thu85%(48 flights)
  • Fri92%(48 flights)
  • Sat—(6 flights)
  • Sun91%(42 flights)
On-time by departure window
  • 9 AM–12 PM86%(285 flights)
  • 12–3 PM—(2 flights)
  • 3–6 PM—(1 flights)
On-time trend by month
96%
May

Jun 85% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%26
July 202585%27
August 202588%25
September 2025100%26
October 202581%26
November 202587%23
December 202579%19
January 202671%21
February 202686%22
March 202672%25
April 202696%24
May 202696%24
Departures on time
87%
Diverted
0%
Flights flown
288
Months covered
12

Same route, other flights

Keep nerding

Based on 299 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.