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Flight Reliability

DL 1574 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1574 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

80%
Arrive within 15 minutes
3 min
Average arrival delay
1.3%
Cancelled
8 min early
Median arrival delay

Based on 469 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(67 flights)
  • Tue79%(66 flights)
  • Wed81%(68 flights)
  • Thu77%(69 flights)
  • Fri82%(66 flights)
  • Sat80%(61 flights)
  • Sun85%(65 flights)
On-time by departure window
  • 12–3 AM100%(19 flights)
  • 6–9 AM86%(150 flights)
  • 9 AM–12 PM86%(73 flights)
  • 12–3 PM70%(149 flights)
  • 6–9 PM100%(31 flights)
  • 9 PM–12 AM60%(40 flights)
On-time trend by month
87%
May

Jun 74% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%53
July 202563%60
August 202581%58
September 202590%60
October 202590%62
November 202563%35
December 202568%31
February 2026100%14
March 2026100%26
April 202689%28
May 202687%31
Departures on time
80%
Diverted
0.2%
Flights flown
462
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.