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Flight Reliability

DL 3030 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3030 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

85%
Arrive within 15 minutes
3 min
Average arrival delay
1.4%
Cancelled
13 min early
Median arrival delay

Based on 622 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(88 flights)
  • Tue84%(90 flights)
  • Wed90%(88 flights)
  • Thu90%(88 flights)
  • Fri92%(88 flights)
  • Sat85%(84 flights)
  • Sun70%(87 flights)
On-time by departure window
  • 9 AM–12 PM84%(261 flights)
  • 12–3 PM86%(352 flights)
On-time trend by month
75%
May

Jun 82% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%60
July 202586%62
August 202582%62
September 202590%60
October 202586%62
November 202590%60
December 202578%36
January 202687%23
February 2026100%22
March 202681%48
April 202690%58
May 202675%60
Departures on time
81%
Diverted
0%
Flights flown
613
Months covered
12

Keep nerding

Based on 622 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.