Skip to content
WanderNerd

Flight Reliability

DL 704 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 704 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

73%
Arrive within 15 minutes
14 min
Average arrival delay
1.0%
Cancelled
1 min early
Median arrival delay

Based on 312 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(49 flights)
  • Tue75%(44 flights)
  • Wed70%(43 flights)
  • Thu77%(47 flights)
  • Fri79%(47 flights)
  • Sat72%(29 flights)
  • Sun64%(50 flights)
On-time by departure window
  • 6–9 AM(7 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM59%(88 flights)
  • 9 PM–12 AM77%(210 flights)
On-time trend by month
67%
May

Jun 86% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202570%30
August 202576%25
September 202581%16
October 202588%17
November 202576%21
December 202566%29
January 202662%13
March 202660%42
April 202673%52
May 202667%30
Departures on time
69%
Diverted
0%
Flights flown
309
Months covered
12

Based on 312 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.