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Flight Reliability

DL 5175 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5175 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

87%
Arrive within 15 minutes
3 min early
Average arrival delay
1.3%
Cancelled
14 min early
Median arrival delay

Based on 378 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(54 flights)
  • Tue93%(53 flights)
  • Wed91%(54 flights)
  • Thu83%(53 flights)
  • Fri92%(51 flights)
  • Sat79%(56 flights)
  • Sun90%(52 flights)
On-time by departure window
  • 6–9 AM88%(225 flights)
  • 9 AM–12 PM86%(127 flights)
  • 12–3 PM82%(17 flights)
  • 3–6 PM—(4 flights)
On-time trend by month
86%
Apr

Jun 100% → Apr 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%30
July 202594%31
August 202587%31
September 202590%30
October 202597%31
November 202581%26
December 202576%42
January 202682%33
February 202687%45
March 202681%37
April 202686%28
Departures on time
88%
Diverted
0%
Flights flown
373
Months covered
12

Keep nerding

Based on 378 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.