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Flight Reliability

DL 927 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 927 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

91%
Arrive within 15 minutes
2 min early
Average arrival delay
0.4%
Cancelled
6 min early
Median arrival delay

Based on 454 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(63 flights)
  • Tue97%(64 flights)
  • Wed94%(64 flights)
  • Thu92%(64 flights)
  • Fri89%(64 flights)
  • Sat93%(69 flights)
  • Sun88%(64 flights)
On-time by departure window
  • 6–9 AM91%(220 flights)
  • 9 AM–12 PM91%(226 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM—(1 flights)
  • 6–9 PM—(4 flights)
On-time trend by month
90%
May

Jun 90% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%52
July 202594%62
August 202594%62
September 202597%60
October 202586%36
November 2025100%30
December 202577%31
January 202683%30
February 202693%28
March 202690%10
April 202695%20
May 202690%31
Departures on time
92%
Diverted
0%
Flights flown
452
Months covered
12

Keep nerding

Based on 454 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.