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Flight Reliability

DL 2078 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2078 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
4 min
Average arrival delay
2.1%
Cancelled
5 min early
Median arrival delay

Based on 486 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(72 flights)
  • Tue74%(72 flights)
  • Wed81%(69 flights)
  • Thu75%(71 flights)
  • Fri69%(68 flights)
  • Sat91%(58 flights)
  • Sun74%(65 flights)
On-time by departure window
  • 6–9 AM75%(20 flights)
  • 9 AM–12 PM78%(295 flights)
  • 12–3 PM74%(159 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
38%
May

Jun 100% → May 38% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%14
July 202588%24
August 202597%31
September 202593%30
October 202593%27
November 202585%26
December 202564%33
January 202681%59
February 202686%55
March 202678%58
April 202668%60
May 202638%58
Departures on time
77%
Diverted
0.2%
Flights flown
475
Months covered
12

Keep nerding

Based on 486 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.