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Flight Reliability

DL 2148 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2148 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
4 min
Average arrival delay
2.3%
Cancelled
11 min early
Median arrival delay

Based on 396 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(57 flights)
  • Tue85%(46 flights)
  • Wed85%(47 flights)
  • Thu95%(63 flights)
  • Fri83%(63 flights)
  • Sat78%(50 flights)
  • Sun80%(61 flights)
On-time by departure window
  • 6–9 AM90%(216 flights)
  • 9 AM–12 PM73%(22 flights)
  • 12–3 PM73%(90 flights)
  • 3–6 PM100%(21 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM84%(37 flights)
On-time trend by month
85%
May

Jun 86% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%28
July 202597%31
August 202597%31
September 202593%30
October 202587%31
November 202582%28
December 202589%18
January 202674%27
February 202673%41
March 202679%42
April 202685%26
May 202685%54
Departures on time
87%
Diverted
0%
Flights flown
387
Months covered
12

Keep nerding

Based on 396 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.