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WanderNerd

Flight Reliability

DL 380 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 380 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

81%
Arrive within 15 minutes
3 min
Average arrival delay
1.2%
Cancelled
7 min early
Median arrival delay

Based on 730 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(104 flights)
  • Tue78%(104 flights)
  • Wed87%(104 flights)
  • Thu85%(104 flights)
  • Fri79%(102 flights)
  • Sat86%(99 flights)
  • Sun75%(104 flights)
On-time by departure window
  • 6–9 AM(1 flights)
  • 9 AM–12 PM81%(359 flights)
  • 12–3 PM82%(361 flights)
On-time trend by month
86%
May

Jun 80% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%60
July 202572%60
August 202595%60
September 202587%60
October 202581%62
November 202575%60
December 202568%62
January 202688%59
February 202673%56
March 202682%60
April 202692%60
May 202686%62
Departures on time
80%
Diverted
0%
Flights flown
721
Months covered
12

Based on 730 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.