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Flight Reliability

DL 940 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 940 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

79%
Arrive within 15 minutes
8 min
Average arrival delay
3.1%
Cancelled
8 min early
Median arrival delay

Based on 448 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(61 flights)
  • Tue83%(64 flights)
  • Wed75%(64 flights)
  • Thu84%(63 flights)
  • Fri79%(62 flights)
  • Sat81%(58 flights)
  • Sun71%(62 flights)
On-time by departure window
  • 6–9 AM86%(58 flights)
  • 9 AM–12 PM91%(54 flights)
  • 12–3 PM87%(205 flights)
  • 3–6 PM56%(111 flights)
  • 6–9 PM—(6 flights)
On-time trend by month
90%
May

Jun 42% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202542%26
July 202562%26
August 202547%30
September 202567%30
November 202598%43
December 202588%48
January 202686%29
February 202681%26
March 202689%53
April 202681%58
May 202690%60
Departures on time
82%
Diverted
0%
Flights flown
434
Months covered
12

Keep nerding

Based on 448 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.