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Flight Reliability

DL 1704 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1704 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

88%
Arrive within 15 minutes
4 min early
Average arrival delay
2.0%
Cancelled
13 min early
Median arrival delay

Based on 696 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(101 flights)
  • Tue83%(102 flights)
  • Wed94%(99 flights)
  • Thu90%(100 flights)
  • Fri89%(100 flights)
  • Sat84%(79 flights)
  • Sun94%(98 flights)
On-time by departure window
  • 6–9 AM88%(34 flights)
  • 9 AM–12 PM88%(622 flights)
  • 12–3 PM87%(23 flights)
On-time trend by month
95%
May

Jun 92% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%50
July 202591%45
August 202591%58
September 202590%60
October 202590%62
November 202582%60
December 202586%57
January 202679%53
February 202689%56
March 202685%58
April 202690%60
May 202695%60
Departures on time
86%
Diverted
0.4%
Flights flown
679
Months covered
12

Keep nerding

Based on 696 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.