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Flight Reliability

DL 5627 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5627 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

75%
Arrive within 15 minutes
8 min
Average arrival delay
2.9%
Cancelled
8 min early
Median arrival delay

Based on 557 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(82 flights)
  • Tue79%(87 flights)
  • Wed79%(84 flights)
  • Thu77%(82 flights)
  • Fri71%(82 flights)
  • Sat73%(41 flights)
  • Sun71%(83 flights)
On-time by departure window
  • 6–9 AM—(4 flights)
  • 9 AM–12 PM81%(16 flights)
  • 12–3 PM84%(287 flights)
  • 3–6 PM64%(234 flights)
On-time trend by month
87%
May

Jun 73% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%52
July 202567%54
August 202588%56
September 202569%45
October 202560%55
November 202581%48
December 202576%45
January 202677%47
February 202685%46
March 202670%37
April 202677%26
May 202687%30
Departures on time
78%
Diverted
0%
Flights flown
541
Months covered
12

Keep nerding

Based on 557 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.