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Flight Reliability

DL 1435 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1435 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
0.6%
Cancelled
6 min early
Median arrival delay

Based on 319 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(47 flights)
  • Tue79%(48 flights)
  • Wed83%(48 flights)
  • Thu88%(48 flights)
  • Fri75%(47 flights)
  • Sat74%(35 flights)
  • Sun81%(42 flights)
On-time by departure window
  • 9 AM–12 PM85%(126 flights)
  • 12–3 PM88%(59 flights)
  • 3–6 PM75%(60 flights)
  • 6–9 PM67%(70 flights)
On-time trend by month
81%
May

Jun 76% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%29
July 202558%31
August 202580%20
September 202581%36
October 202582%27
November 202580%30
December 202577%17
February 202677%13
March 202690%30
April 202693%30
May 202681%52
Departures on time
77%
Diverted
0.6%
Flights flown
315
Months covered
11

Keep nerding

Based on 319 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.