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Flight Reliability

DL 1856 · Delta Air Lines

GNV → Atlanta (GNV–ATL)94% of its flights flew this route. The rest (ATL–TPA) are included in these numbers.

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

Based on 208 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 1856 departing between 6–9 AM arrived on time 95% of the time, versus 62% between 9 PM–12 AM.

Skip Thursday if you can.

DL 1856 arrived on time 96% of the time on Wednesdays. On Thursdays: 87%.

A bit ahead of the GNV–ATL route.

DL 1856 arrived on time 93% of the time, versus 87% across the GNV–ATL route.

Better than the Delta Air Lines network average.

DL 1856 arrived on time 93% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon94%(31 flights)
  • Tue93%(28 flights)
  • Wed96%(28 flights)
  • Thu87%(31 flights)
  • Fri90%(31 flights)
  • Sat96%(26 flights)
  • Sun93%(30 flights)
On-time by departure window
  • 6–9 AM95%(192 flights)
  • 9 PM–12 AM62%(13 flights)
On-time trend by month
50%
Apr

Jun 100% → Apr 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%22
July 202584%31
August 202594%31
September 2025100%30
October 202597%31
November 202596%28
December 202595%19
April 202650%10
Departures on time
92%
Diverted
0%
Flights flown
205
Months covered
9

Same route, other flights

Keep nerding

Based on 208 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.