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Flight Reliability

DL 5034 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5034 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

77%
Arrive within 15 minutes
10 min
Average arrival delay
2.3%
Cancelled
4 min early
Median arrival delay

Based on 384 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(58 flights)
  • Tue86%(58 flights)
  • Wed77%(53 flights)
  • Thu82%(56 flights)
  • Fri70%(57 flights)
  • Sat79%(28 flights)
  • Sun71%(63 flights)
On-time by departure window
  • 6–9 AM89%(27 flights)
  • 9 AM–12 PM91%(11 flights)
  • 12–3 PM80%(20 flights)
  • 3–6 PM74%(201 flights)
  • 6–9 PM78%(114 flights)
On-time trend by month
80%
May

Jun 78% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%27
July 202575%28
August 202582%34
September 202594%34
October 202578%51
November 202573%41
December 202564%47
March 202671%45
April 202681%36
May 202680%15
Departures on time
74%
Diverted
0.5%
Flights flown
373
Months covered
12

Keep nerding

Based on 384 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.