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WanderNerd

Flight Reliability

DL 1380 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1380 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

92%
Arrive within 15 minutes
7 min early
Average arrival delay
3.1%
Cancelled
11 min early
Median arrival delay

Based on 610 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(91 flights)
  • Tue92%(92 flights)
  • Wed98%(94 flights)
  • Thu95%(92 flights)
  • Fri95%(93 flights)
  • Sat93%(40 flights)
  • Sun88%(89 flights)
On-time by departure window
  • 6–9 AM92%(290 flights)
  • 9 AM–12 PM92%(299 flights)
  • 3–6 PM(2 flights)
On-time trend by month
98%
May

Jun 100% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%48
July 202596%46
August 202591%42
September 202588%34
October 2025100%50
November 202594%36
December 202586%58
January 202688%58
February 202686%55
March 202691%54
April 202693%60
May 202698%50
Departures on time
93%
Diverted
0%
Flights flown
591
Months covered
12

Based on 610 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.