Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 1700 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1700 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

80%
Arrive within 15 minutes
5 min
Average arrival delay
1.3%
Cancelled
7 min early
Median arrival delay

Based on 703 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(103 flights)
  • Tue76%(102 flights)
  • Wed84%(99 flights)
  • Thu79%(98 flights)
  • Fri83%(102 flights)
  • Sat81%(87 flights)
  • Sun76%(100 flights)
On-time by departure window
  • 9 AM–12 PM—(3 flights)
  • 12–3 PM92%(26 flights)
  • 3–6 PM79%(661 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
84%
May

Jun 67% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%49
July 202568%60
August 202592%62
September 202590%60
October 202576%62
November 202575%59
December 202589%52
January 202673%55
February 202682%51
March 202671%59
April 202687%60
May 202684%62
Departures on time
75%
Diverted
0.4%
Flights flown
691
Months covered
12

Keep nerding

Based on 703 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.