Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 2777 · Delta Air Lines

Detroit → Atlanta (DTW–ATL)

94
Nerd Approved
WanderNerd Reliability Score
86%
Arrive within 15 minutes
2 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 285 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

DL 2777 departing between 9 AM–12 PM arrived on time 89% of the time, versus 81% between 6–9 AM.

Sunday scaries are real for this one.

DL 2777 arrived on time 93% of the time on Thursdays and just 74% on Sundays. That gap is worth planning around.

Better than the DTW–ATL route average.

DL 2777 arrived on time 86% of the time, versus 78% across the DTW–ATL route.

A bit ahead of the Delta Air Lines network.

DL 2777 arrived on time 86% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon83%(42 flights)
  • Tue88%(41 flights)
  • Wed90%(41 flights)
  • Thu93%(43 flights)
  • Fri88%(43 flights)
  • Sat88%(32 flights)
  • Sun74%(43 flights)
On-time by departure window
  • 6–9 AM81%(89 flights)
  • 9 AM–12 PM89%(196 flights)
On-time trend by month
90%
May

Jun 89% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%27
July 202591%23
August 202579%29
September 202595%21
October 202591%23
November 202581%21
December 202572%18
January 202664%14
February 202688%17
March 202681%31
April 2026100%30
May 202690%31
Departures on time
86%
Diverted
0%
Flights flown
285
Months covered
12

Same route, other flights

Keep nerding

Based on 285 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.