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Flight Reliability

DL 2174 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2174 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

83%
Arrive within 15 minutes
5 min
Average arrival delay
1.2%
Cancelled
7 min early
Median arrival delay

Based on 516 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(72 flights)
  • Tue80%(74 flights)
  • Wed88%(74 flights)
  • Thu84%(73 flights)
  • Fri90%(72 flights)
  • Sat71%(69 flights)
  • Sun78%(74 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM95%(20 flights)
  • 12–3 PM82%(198 flights)
  • 3–6 PM82%(249 flights)
  • 6–9 PM85%(40 flights)
On-time trend by month
90%
May

Jun 68% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%50
July 202570%56
August 202587%62
September 202587%60
October 202592%61
November 202589%37
December 202563%19
January 202682%11
February 202682%27
March 202683%52
April 202691%42
May 202690%31
Departures on time
81%
Diverted
0.4%
Flights flown
508
Months covered
12

Keep nerding

Based on 516 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.