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Flight Reliability

DL 5734 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5734 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

81%
Arrive within 15 minutes
3 min
Average arrival delay
5.5%
Cancelled
12 min early
Median arrival delay

Based on 236 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(39 flights)
  • Tue84%(38 flights)
  • Wed85%(39 flights)
  • Thu62%(34 flights)
  • Fri91%(35 flights)
  • Sat—(2 flights)
  • Sun77%(35 flights)
On-time by departure window
  • 6–9 AM86%(133 flights)
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM—(5 flights)
  • 3–6 PM—(5 flights)
  • 6–9 PM71%(78 flights)
On-time trend by month
81%
May

Sep 81% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202581%21
October 202563%24
November 202564%22
December 202590%19
January 202686%21
February 202683%23
March 202696%27
April 202677%26
May 202681%26
Departures on time
82%
Diverted
0.4%
Flights flown
222
Months covered
12

Keep nerding

Based on 236 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.