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Flight Reliability

DL 1297 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1297 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

78%
Arrive within 15 minutes
6 min
Average arrival delay
1.5%
Cancelled
6 min early
Median arrival delay

Based on 331 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(55 flights)
  • Tue79%(56 flights)
  • Wed76%(55 flights)
  • Thu68%(53 flights)
  • Fri80%(54 flights)
  • Sat82%(11 flights)
  • Sun75%(40 flights)
On-time by departure window
  • 12–3 PM79%(253 flights)
  • 3–6 PM77%(22 flights)
  • 6–9 PM69%(49 flights)
On-time trend by month
79%
May

Jun 82% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%22
July 202581%21
August 202571%21
September 202580%25
October 202582%27
November 202574%27
December 202581%31
January 202667%12
February 202686%21
March 202667%39
April 202681%31
May 202679%47
Departures on time
81%
Diverted
0.6%
Flights flown
324
Months covered
12

Keep nerding

Based on 331 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.