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Flight Reliability

DL 4164 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4164 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

79%
Arrive within 15 minutes
16 min
Average arrival delay
0.3%
Cancelled
9 min early
Median arrival delay

Based on 287 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(43 flights)
  • Tue80%(44 flights)
  • Wed84%(44 flights)
  • Thu88%(42 flights)
  • Fri71%(42 flights)
  • Sat90%(29 flights)
  • Sun74%(42 flights)
On-time by departure window
  • 6–9 AM88%(91 flights)
  • 9 AM–12 PM89%(26 flights)
  • 12–3 PM73%(138 flights)
  • 3–6 PM71%(31 flights)
On-time trend by month
88%
May

Oct 90% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202590%52
November 202573%52
December 202547%34
January 202681%26
February 202691%11
March 202662%21
April 202693%27
May 202688%56
Departures on time
77%
Diverted
0%
Flights flown
286
Months covered
9

Keep nerding

Based on 287 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.