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Flight Reliability

DL 1030 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1030 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
15 min
Average arrival delay
1.0%
Cancelled
3 min early
Median arrival delay

Based on 729 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(102 flights)
  • Tue77%(104 flights)
  • Wed85%(104 flights)
  • Thu85%(103 flights)
  • Fri79%(104 flights)
  • Sat59%(101 flights)
  • Sun71%(104 flights)
On-time by departure window
  • 9 AM–12 PM79%(361 flights)
  • 12–3 PM72%(361 flights)
On-time trend by month
82%
May

Jun 57% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%60
July 202566%62
August 202574%62
September 202583%60
October 202574%62
November 202578%59
December 202569%62
January 202676%59
February 202679%56
March 202683%58
April 202685%60
May 202682%62
Departures on time
77%
Diverted
0%
Flights flown
722
Months covered
12

Keep nerding

Based on 729 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.