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Flight Reliability

DL 1625 · Delta Air Lines

Memphis → Atlanta (MEM–ATL)94% of its flights flew this route. The rest (BNA–ATL, BZN–LGA) are included in these numbers.

91
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
6 min early
Average arrival delay
2.2%
Cancelled
16 min early
Median arrival delay

Based on 325 historical flights. Data through May 2026.

What the data says

Skip Saturday if you can.

DL 1625 arrived on time 96% of the time on Thursdays. On Saturdays: 84%.

A bit ahead of the MEM–ATL route.

DL 1625 arrived on time 92% of the time, versus 87% across the MEM–ATL route.

Better than the Delta Air Lines network average.

DL 1625 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.

Slipping a little lately.

DL 1625 arrived on time 87% of the time over the last three months in the data, compared with 92% in the three months before that.

The breakdown

On-time by weekday
  • Mon91%(46 flights)
  • Tue91%(46 flights)
  • Wed94%(46 flights)
  • Thu96%(44 flights)
  • Fri96%(44 flights)
  • Sat84%(49 flights)
  • Sun93%(43 flights)
On-time by departure window
  • 6–9 AM92%(302 flights)
  • 12–3 PM—(4 flights)
  • 3–6 PM92%(12 flights)
On-time trend by month
87%
May

Jun 93% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%28
July 202590%31
August 2025100%30
September 2025100%30
October 202594%31
November 202596%28
December 202593%27
February 202688%17
March 202685%26
April 202690%30
May 202687%31
Departures on time
91%
Diverted
0%
Flights flown
318
Months covered
12

Same route, other flights

Keep nerding

Based on 325 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.