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Flight Reliability

DL 1329 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1329 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

67%
Arrive within 15 minutes
15 min
Average arrival delay
4.3%
Cancelled
2 min
Median arrival delay

Based on 469 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon63%(79 flights)
  • Tue75%(48 flights)
  • Wed78%(51 flights)
  • Thu53%(81 flights)
  • Fri76%(76 flights)
  • Sat87%(39 flights)
  • Sun53%(74 flights)
On-time by departure window
  • 12–3 PM—(5 flights)
  • 3–6 PM63%(261 flights)
  • 6–9 PM73%(182 flights)
On-time trend by month
46%
May

Jun 30% → May 46% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202530%27
July 202521%29
August 202587%30
September 202581%32
October 202577%47
November 202578%46
December 202569%32
January 202670%43
February 202667%48
March 202671%48
April 202672%53
May 202646%13
Departures on time
68%
Diverted
0.2%
Flights flown
448
Months covered
12

Keep nerding

Based on 469 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.