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Flight Reliability

DL 1707 · Delta Air Lines

Detroit → Boston (DTW–BOS)98% of its flights flew this route. The rest (ATL–BOS) are included in these numbers.

48
Bring Snacks
WanderNerd Reliability Score
59%
Arrive within 15 minutes
26 min
Average arrival delay
2.9%
Cancelled
9 min
Median arrival delay

Based on 276 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 1707 departing between 6–9 PM arrived on time 78% of the time, versus 56% between 3–6 PM.

Friday is doing you no favors.

DL 1707 arrived on time 75% of the time on Saturdays and just 50% on Fridays. That gap is worth planning around.

Well behind the DTW–BOS route.

DL 1707 arrived on time 59% of the time, versus 75% across the DTW–BOS route.

Well behind the Delta Air Lines network.

DL 1707 arrived on time 59% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon69%(42 flights)
  • Tue58%(40 flights)
  • Wed54%(39 flights)
  • Thu58%(45 flights)
  • Fri50%(44 flights)
  • Sat75%(16 flights)
  • Sun62%(42 flights)
On-time by departure window
  • 3–6 PM56%(227 flights)
  • 6–9 PM78%(36 flights)
  • 9 PM–12 AM—(5 flights)
On-time trend by month
58%
May

Jun 58% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%26
July 202542%26
August 202554%26
September 202544%18
October 202548%23
November 202567%18
December 202572%29
January 202683%12
February 202687%15
March 202660%25
April 202658%26
May 202658%24
Departures on time
61%
Diverted
0%
Flights flown
268
Months covered
12

Same route, other flights

Keep nerding

Based on 276 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.