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Flight Reliability

DL 5710 · Delta Air Lines

Washington → Boston (DCA–BOS)93% of its flights flew this route. The rest (BOS–SAV, SAV–BOS) are included in these numbers.

89
Pretty Reliable
WanderNerd Reliability Score
91%
Arrive within 15 minutes
5 min early
Average arrival delay
2.5%
Cancelled
12 min early
Median arrival delay

Based on 275 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

DL 5710 departing between 6–9 AM arrived on time 92% of the time, versus 73% between 12–3 PM.

Sunday scaries are real for this one.

DL 5710 arrived on time 98% of the time on Wednesdays and just 82% on Sundays. That gap is worth planning around.

Well ahead of the DCA–BOS route.

DL 5710 arrived on time 91% of the time, versus 71% across the DCA–BOS route.

Better than the Delta Air Lines network average.

DL 5710 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon85%(47 flights)
  • Tue96%(46 flights)
  • Wed98%(49 flights)
  • Thu87%(47 flights)
  • Fri94%(47 flights)
  • Sat86%(21 flights)
  • Sun82%(11 flights)
On-time by departure window
  • 6–9 AM92%(248 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM73%(11 flights)
  • 3–6 PM—(7 flights)
On-time trend by month
100%
May

Jun 93% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%27
July 202591%23
August 202594%33
September 202589%26
October 202596%23
November 202594%18
December 202594%17
January 202694%17
February 202689%18
March 202671%21
April 202686%22
May 2026100%23
Departures on time
91%
Diverted
0%
Flights flown
268
Months covered
12

Same route, other flights

Keep nerding

Based on 275 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.