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Flight Reliability

DL 1727 · Delta Air Lines

Tallahassee → Atlanta (TLH–ATL)

95
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
7 min early
Average arrival delay
1.4%
Cancelled
16 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Monday is the weak spot.

DL 1727 arrived on time 98% of the time on Thursdays. On Mondays: 84%.

Better than the TLH–ATL route average.

DL 1727 arrived on time 93% of the time, versus 85% across the TLH–ATL route.

Better than the Delta Air Lines network average.

DL 1727 arrived on time 93% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue96%(52 flights)
  • Wed90%(52 flights)
  • Thu98%(52 flights)
  • Fri92%(52 flights)
  • Sat94%(50 flights)
  • Sun92%(51 flights)
On-time by departure window
  • 3–6 AM92%(119 flights)
  • 6–9 AM93%(241 flights)
On-time trend by month
97%
May

Jun 86% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202597%31
August 2025100%31
September 202593%30
October 202590%31
November 202593%29
December 202584%31
January 202693%29
February 2026100%28
March 202680%30
April 202697%30
May 202697%31
Departures on time
94%
Diverted
0%
Flights flown
360
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.