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WanderNerd

Flight Reliability

DL 1742 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1742 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

53%
Arrive within 15 minutes
31 min
Average arrival delay
1.4%
Cancelled
12 min
Median arrival delay

Based on 587 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(83 flights)
  • Tue51%(84 flights)
  • Wed60%(85 flights)
  • Thu53%(85 flights)
  • Fri55%(82 flights)
  • Sat45%(75 flights)
  • Sun41%(83 flights)
On-time by departure window
  • 3–6 PM53%(358 flights)
  • 6–9 PM53%(219 flights)
On-time trend by month
57%
May

Jun 25% → May 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202525%59
July 202540%60
August 202544%41
September 202570%30
October 202552%31
November 202576%29
December 202568%41
January 202652%58
February 202660%50
March 202658%57
April 202661%59
May 202657%62
Departures on time
55%
Diverted
0.3%
Flights flown
577
Months covered
12

Based on 587 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.