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Route Reliability

Detroit → Savannah

DTW–SAV · 705 miles · Detroit Metropolitan Wayne County Airport to Savannah/Hilton Head International Airport

79
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
1.5%
Cancelled
619
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 77% of the time across 619 flights. No comparison to make.

What the data says

Morning flights do better here.

DTW–SAV flights departing between 6–9 AM arrived on time 87% of the time, versus 43% between 12–3 PM.

Sunday scaries are real for this one.

DTW–SAV flights arrived on time 88% of the time on Wednesdays and just 68% on Sundays. That gap is worth planning around.

Trending in the right direction.

DTW–SAV flights arrived on time 82% of the time over the last three months in the data, compared with 67% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon76%(89 flights)
  • Tue84%(88 flights)
  • Wed88%(86 flights)
  • Thu73%(86 flights)
  • Fri76%(83 flights)
  • Sat76%(86 flights)
  • Sun68%(91 flights)
On-time by departure window
  • 6–9 AM87%(348 flights)
  • 9 AM–12 PM—(9 flights)
  • 12–3 PM43%(14 flights)
  • 3–6 PM66%(238 flights)
On-time trend by month
77%
May

Jun 78% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%60
July 202572%60
August 202574%61
September 202591%55
October 202587%60
November 202576%58
December 202570%56
January 202653%34
February 202679%28
March 202686%28
April 202683%47
May 202677%62

Keep nerding

Based on 619 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.