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Flight Reliability

DL 1097 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1097 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

82%
Arrive within 15 minutes
2 min
Average arrival delay
1.9%
Cancelled
6 min early
Median arrival delay

Based on 430 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(70 flights)
  • Tue82%(50 flights)
  • Wed83%(48 flights)
  • Thu86%(72 flights)
  • Fri83%(72 flights)
  • Sat84%(55 flights)
  • Sun73%(55 flights)
On-time by departure window
  • 12–3 PM82%(119 flights)
  • 3–6 PM79%(198 flights)
  • 6–9 PM85%(105 flights)
On-time trend by month
76%
May

Jun 82% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%34
July 202568%31
August 202587%31
September 202597%30
October 202587%31
November 202577%30
December 202576%38
January 202691%35
February 202688%32
March 202677%34
April 202679%43
May 202676%53
Departures on time
81%
Diverted
0%
Flights flown
422
Months covered
12

Keep nerding

Based on 430 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.