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Flight Reliability

DL 348 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 348 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

82%
Arrive within 15 minutes
7 min
Average arrival delay
0.8%
Cancelled
2 min early
Median arrival delay

Based on 706 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(98 flights)
  • Tue81%(99 flights)
  • Wed83%(100 flights)
  • Thu77%(101 flights)
  • Fri87%(100 flights)
  • Sat81%(99 flights)
  • Sun77%(102 flights)
On-time by departure window
  • 6–9 AM80%(361 flights)
  • 9 AM–12 PM83%(338 flights)
On-time trend by month
76%
May

Jun 83% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%58
July 202594%62
August 202581%62
September 202573%60
October 202585%61
November 202580%60
December 202589%62
January 202680%59
February 202680%56
March 202682%62
April 202674%42
May 202676%55
Departures on time
86%
Diverted
0.1%
Flights flown
699
Months covered
12

Keep nerding

Based on 706 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.