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Flight Reliability

DL 2126 · Delta Air Lines

Detroit → Nashville (DTW–BNA)

70
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
16 min
Average arrival delay
1.1%
Cancelled
3 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 2126 departing between 6–9 PM arrived on time 73% of the time, versus 59% between 9 PM–12 AM.

Sunday scaries are real for this one.

DL 2126 arrived on time 77% of the time on Wednesdays and just 58% on Sundays. That gap is worth planning around.

Lagging the DTW–BNA route.

DL 2126 arrived on time 69% of the time, versus 79% across the DTW–BNA route.

Lagging the Delta Air Lines network.

DL 2126 arrived on time 69% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon73%(51 flights)
  • Tue75%(52 flights)
  • Wed77%(52 flights)
  • Thu66%(50 flights)
  • Fri75%(52 flights)
  • Sat63%(51 flights)
  • Sun58%(52 flights)
On-time by departure window
  • 6–9 PM73%(272 flights)
  • 9 PM–12 AM59%(88 flights)
On-time trend by month
77%
May

Jun 48% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202548%29
July 202547%30
August 202587%31
September 202583%30
October 202590%31
November 202583%29
December 202545%31
January 202662%29
February 202668%28
March 202658%31
April 202683%30
May 202677%31
Departures on time
73%
Diverted
0%
Flights flown
360
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.