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Flight Reliability

DL 1743 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1743 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
5 min early
Average arrival delay
1.6%
Cancelled
12 min early
Median arrival delay

Based on 629 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon90%(92 flights)
  • Tue91%(88 flights)
  • Wed95%(92 flights)
  • Thu89%(92 flights)
  • Fri87%(90 flights)
  • Sat88%(74 flights)
  • Sun80%(91 flights)
On-time by departure window
  • 6–9 AM94%(18 flights)
  • 9 AM–12 PM89%(436 flights)
  • 12–3 PM87%(165 flights)
On-time trend by month
98%
May

Jun 76% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%58
July 202580%60
August 202584%62
September 2025100%60
October 202586%50
November 202588%25
December 202593%30
January 202694%54
February 202689%56
March 202686%56
April 202691%56
May 202698%52
Departures on time
87%
Diverted
0%
Flights flown
619
Months covered
12

Keep nerding

Based on 629 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.