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Flight Reliability

DL 2611 · Delta Air Lines

Boston → New York (BOS–JFK)96% of its flights flew this route. The rest (BNA–MSP) are included in these numbers.

88
Pretty Reliable
WanderNerd Reliability Score
92%
Arrive within 15 minutes
6 min early
Average arrival delay
3.0%
Cancelled
14 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Skip Tuesday if you can.

DL 2611 arrived on time 98% of the time on Thursdays. On Tuesdays: 86%.

Well ahead of the BOS–JFK route.

DL 2611 arrived on time 92% of the time, versus 76% across the BOS–JFK route.

Better than the Delta Air Lines network average.

DL 2611 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 2611 was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon88%(49 flights)
  • Tue86%(50 flights)
  • Wed90%(51 flights)
  • Thu98%(51 flights)
  • Fri92%(49 flights)
  • Sat92%(51 flights)
  • Sun94%(53 flights)
On-time by departure window
  • 6–9 AM92%(340 flights)
  • 9 AM–12 PM90%(10 flights)
  • 12–3 PM—(4 flights)
On-time trend by month
100%
May

Jun 90% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202586%28
August 202594%31
September 202590%30
October 202587%30
November 2025100%30
December 202579%29
January 202693%29
February 202685%26
March 202697%31
April 202697%30
May 2026100%30
Departures on time
91%
Diverted
0%
Flights flown
354
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.