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WanderNerd

Flight Reliability

DL 1374 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1374 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

89%
Arrive within 15 minutes
3 min early
Average arrival delay
2.1%
Cancelled
12 min early
Median arrival delay

Based on 657 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(93 flights)
  • Tue89%(93 flights)
  • Wed90%(95 flights)
  • Thu92%(96 flights)
  • Fri86%(94 flights)
  • Sat85%(79 flights)
  • Sun90%(93 flights)
On-time by departure window
  • 6–9 AM90%(300 flights)
  • 9 AM–12 PM90%(305 flights)
  • 12–3 PM69%(32 flights)
  • 3–6 PM(6 flights)
On-time trend by month
92%
May

Jun 77% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%48
July 202593%54
August 202598%62
September 2025100%60
October 202590%62
November 202579%53
December 202574%58
January 202682%33
February 202693%45
March 202689%54
April 202691%54
May 202692%60
Departures on time
88%
Diverted
0%
Flights flown
643
Months covered
12

Based on 657 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.