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WanderNerd

Flight Reliability

DL 5027 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5027 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

75%
Arrive within 15 minutes
8 min
Average arrival delay
2.0%
Cancelled
5 min early
Median arrival delay

Based on 393 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(53 flights)
  • Tue71%(52 flights)
  • Wed71%(58 flights)
  • Thu71%(56 flights)
  • Fri77%(53 flights)
  • Sat78%(60 flights)
  • Sun83%(53 flights)
On-time by departure window
  • 6–9 AM77%(124 flights)
  • 9 AM–12 PM77%(194 flights)
  • 12–3 PM68%(34 flights)
  • 3–6 PM63%(32 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
60%
May

Jul 80% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202580%50
August 202557%62
September 202583%60
October 202590%62
November 202571%14
December 202585%13
January 202686%28
February 202673%26
May 202660%52
Departures on time
77%
Diverted
0%
Flights flown
385
Months covered
12

Based on 393 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.