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Flight Reliability

DL 1935 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1935 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

87%
Arrive within 15 minutes
2 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 224 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(34 flights)
  • Tue88%(32 flights)
  • Wed100%(32 flights)
  • Thu78%(32 flights)
  • Fri94%(31 flights)
  • Sat93%(29 flights)
  • Sun79%(34 flights)
On-time by departure window
  • 6–9 AM86%(111 flights)
  • 9 AM–12 PM88%(113 flights)
On-time trend by month
100%
Oct

Jun 72% → Oct 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%46
July 202583%60
August 202597%58
September 202590%50
October 2025100%10
Departures on time
85%
Diverted
0%
Flights flown
224
Months covered
5

Keep nerding

Based on 224 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.