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Flight Reliability

DL 3048 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3048 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

91%
Arrive within 15 minutes
4 min early
Average arrival delay
1.9%
Cancelled
11 min early
Median arrival delay

Based on 695 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(102 flights)
  • Tue91%(100 flights)
  • Wed96%(100 flights)
  • Thu91%(95 flights)
  • Fri90%(98 flights)
  • Sat90%(87 flights)
  • Sun89%(98 flights)
On-time by departure window
  • 6–9 AM93%(310 flights)
  • 9 AM–12 PM90%(370 flights)
On-time trend by month
89%
May

Jun 88% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%58
July 2025100%60
August 202592%52
September 202595%58
October 202586%62
November 202596%54
December 202588%48
January 202687%52
February 202689%56
March 202693%60
April 202690%58
May 202689%62
Departures on time
92%
Diverted
0.3%
Flights flown
680
Months covered
12

Keep nerding

Based on 695 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.