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Flight Reliability

DL 5735 · Delta Air Lines

Boston → New York (BOS–LGA)99% of its flights flew this route. The rest (CLE–LGA, DCA–BOS) are included in these numbers.

82
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
3 min early
Average arrival delay
3.0%
Cancelled
11 min early
Median arrival delay

Based on 296 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 5735 arrived on time 92% of the time on Wednesdays. On Sundays: 80%.

Better than the BOS–LGA route average.

DL 5735 arrived on time 87% of the time, versus 78% across the BOS–LGA route.

A bit ahead of the Delta Air Lines network.

DL 5735 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 5735 was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon91%(46 flights)
  • Tue89%(47 flights)
  • Wed92%(50 flights)
  • Thu85%(48 flights)
  • Fri81%(47 flights)
  • Sat87%(23 flights)
  • Sun80%(25 flights)
On-time by departure window
  • 6–9 AM87%(284 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM—(1 flights)
On-time trend by month
96%
May

Jun 83% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202590%29
August 202597%29
September 202596%26
October 202585%27
November 202595%19
December 202571%14
January 202675%24
February 202682%22
March 202682%22
April 202686%21
May 202696%23
Departures on time
91%
Diverted
0.3%
Flights flown
286
Months covered
12

Same route, other flights

Keep nerding

Based on 296 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.