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WanderNerd

Flight Reliability

DL 2027 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2027 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
1.6%
Cancelled
7 min early
Median arrival delay

Based on 438 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(73 flights)
  • Tue86%(66 flights)
  • Wed78%(64 flights)
  • Thu94%(68 flights)
  • Fri80%(64 flights)
  • Sat85%(26 flights)
  • Sun77%(70 flights)
On-time by departure window
  • 6–9 AM87%(163 flights)
  • 9 AM–12 PM81%(134 flights)
  • 12–3 PM81%(134 flights)
On-time trend by month
77%
May

Jun 75% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%47
July 202581%52
August 202592%48
September 202593%44
October 202583%52
November 202557%30
December 202591%11
January 202678%27
February 202696%28
March 202687%31
April 202693%30
May 202677%31
Departures on time
83%
Diverted
0%
Flights flown
431
Months covered
12

Based on 438 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.