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Flight Reliability

DL 328 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 328 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

71%
Arrive within 15 minutes
17 min
Average arrival delay
2.5%
Cancelled
2 min
Median arrival delay

Based on 683 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(94 flights)
  • Tue80%(96 flights)
  • Wed75%(96 flights)
  • Thu67%(96 flights)
  • Fri72%(89 flights)
  • Sat69%(94 flights)
  • Sun62%(96 flights)
On-time by departure window
  • 6–9 AM74%(346 flights)
  • 9 AM–12 PM—(7 flights)
  • 6–9 PM67%(308 flights)
On-time trend by month
80%
May

Jun 69% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%58
July 202551%59
August 202563%62
September 202580%60
October 202573%60
November 202579%56
December 202575%47
January 202671%52
February 202684%38
March 202663%49
April 202667%60
May 202680%60
Departures on time
79%
Diverted
0.7%
Flights flown
661
Months covered
12

Keep nerding

Based on 683 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.