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Flight Reliability

DL 2397 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2397 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

84%
Arrive within 15 minutes
2 min
Average arrival delay
4.4%
Cancelled
6 min early
Median arrival delay

Based on 704 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(97 flights)
  • Tue82%(99 flights)
  • Wed92%(101 flights)
  • Thu89%(104 flights)
  • Fri86%(97 flights)
  • Sat77%(75 flights)
  • Sun76%(98 flights)
On-time by departure window
  • 6–9 AM86%(336 flights)
  • 9 AM–12 PM80%(151 flights)
  • 12–3 PM82%(184 flights)
On-time trend by month
87%
May

Jun 87% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%54
July 202579%52
August 202586%57
September 202585%60
October 202572%60
November 202570%57
December 202588%58
January 202689%54
February 202684%44
March 202686%56
April 202690%58
May 202687%61
Departures on time
86%
Diverted
0.3%
Flights flown
671
Months covered
12

Keep nerding

Based on 704 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.