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WanderNerd

Flight Reliability

DL 1213 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1213 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
5 min
Average arrival delay
0.5%
Cancelled
5 min early
Median arrival delay

Based on 730 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(104 flights)
  • Tue88%(102 flights)
  • Wed86%(104 flights)
  • Thu86%(104 flights)
  • Fri83%(104 flights)
  • Sat86%(103 flights)
  • Sun80%(105 flights)
On-time by departure window
  • 6–9 AM85%(362 flights)
  • 9 AM–12 PM83%(364 flights)
On-time trend by month
79%
May

Jun 80% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%60
July 202579%62
August 202589%62
September 202592%60
October 202586%62
November 202575%60
December 202580%61
January 202687%61
February 202679%56
March 202692%60
April 202690%60
May 202679%62
Departures on time
86%
Diverted
0%
Flights flown
726
Months covered
12

Based on 730 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.