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Flight Reliability

DL 1927 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1927 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

71%
Arrive within 15 minutes
17 min
Average arrival delay
0.9%
Cancelled
2 min early
Median arrival delay

Based on 316 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(53 flights)
  • Tue79%(33 flights)
  • Wed85%(33 flights)
  • Thu66%(53 flights)
  • Fri67%(52 flights)
  • Sat70%(33 flights)
  • Sun71%(56 flights)
On-time by departure window
  • 3–6 PM71%(190 flights)
  • 6–9 PM72%(123 flights)
On-time trend by month
92%
Apr

Jun 41% → Apr 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%34
July 202542%45
August 202562%45
September 202593%41
October 202589%47
November 202589%37
December 202571%28
March 202675%24
April 202692%12
Departures on time
71%
Diverted
0%
Flights flown
313
Months covered
9

Keep nerding

Based on 316 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.