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Flight Reliability

DL 1035 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1035 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

76%
Arrive within 15 minutes
8 min
Average arrival delay
2.4%
Cancelled
9 min early
Median arrival delay

Based on 412 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(60 flights)
  • Tue80%(59 flights)
  • Wed72%(57 flights)
  • Thu71%(56 flights)
  • Fri77%(61 flights)
  • Sat69%(42 flights)
  • Sun73%(62 flights)
On-time by departure window
  • 12–3 PM78%(250 flights)
  • 3–6 PM74%(136 flights)
  • 6–9 PM27%(11 flights)
On-time trend by month
64%
May

Jun 61% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%51
July 202577%30
August 202582%28
September 202587%30
October 202577%31
November 202593%30
December 202569%36
January 202677%31
February 202668%25
March 202685%27
April 202686%28
May 202664%50
Departures on time
75%
Diverted
1.2%
Flights flown
397
Months covered
12

Keep nerding

Based on 412 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.