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Flight Reliability

DL 4719 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4719 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

69%
Arrive within 15 minutes
28 min
Average arrival delay
7.9%
Cancelled
5 min early
Median arrival delay

Based on 242 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(37 flights)
  • Tue72%(39 flights)
  • Wed56%(39 flights)
  • Thu63%(32 flights)
  • Fri78%(37 flights)
  • Sat—(3 flights)
  • Sun69%(36 flights)
On-time by departure window
  • 6–9 AM100%(14 flights)
  • 9 AM–12 PM84%(19 flights)
  • 3–6 PM65%(169 flights)
  • 6–9 PM71%(21 flights)
On-time trend by month
100%
May

Jun 24% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202524%17
July 202545%20
August 202580%25
September 202576%25
October 202579%24
November 202573%22
December 202540%15
February 202677%13
April 202666%32
May 2026100%24
Departures on time
67%
Diverted
0%
Flights flown
223
Months covered
11

Keep nerding

Based on 242 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.