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Flight Reliability

DL 5048 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5048 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

69%
Arrive within 15 minutes
19 min
Average arrival delay
6.7%
Cancelled
8 min early
Median arrival delay

Based on 420 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon64%(56 flights)
  • Tue74%(61 flights)
  • Wed71%(58 flights)
  • Thu68%(56 flights)
  • Fri70%(59 flights)
  • Sat85%(40 flights)
  • Sun55%(60 flights)
On-time by departure window
  • 3–6 AM100%(11 flights)
  • 6–9 AM71%(41 flights)
  • 9 AM–12 PM69%(39 flights)
  • 12–3 PM73%(88 flights)
  • 3–6 PM65%(211 flights)
On-time trend by month
100%
May

Jun 41% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%27
July 202556%18
August 202575%28
September 202586%43
October 202577%13
November 202589%52
December 202549%43
January 202650%28
February 202685%26
March 202651%43
April 202671%51
May 2026100%18
Departures on time
68%
Diverted
0.5%
Flights flown
390
Months covered
12

Keep nerding

Based on 420 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.