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Flight Reliability

DL 2734 · Delta Air Lines

Cleveland → Atlanta (CLE–ATL)

94
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
6 min early
Average arrival delay
1.7%
Cancelled
17 min early
Median arrival delay

Based on 362 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

DL 2734 departing between 3–6 AM arrived on time 100% of the time, versus 92% between 6–9 AM.

Sunday scaries are real for this one.

DL 2734 arrived on time 96% of the time on Saturdays. On Sundays: 88%.

A bit ahead of the CLE–ATL route.

DL 2734 arrived on time 92% of the time, versus 86% across the CLE–ATL route.

Better than the Delta Air Lines network average.

DL 2734 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon90%(52 flights)
  • Tue92%(50 flights)
  • Wed94%(52 flights)
  • Thu92%(52 flights)
  • Fri94%(51 flights)
  • Sat96%(50 flights)
  • Sun88%(49 flights)
On-time by departure window
  • 3–6 AM100%(21 flights)
  • 6–9 AM92%(335 flights)
On-time trend by month
100%
May

Jun 96% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202596%28
July 2025100%31
August 202597%29
September 202597%30
October 202587%31
November 202587%30
December 202587%31
January 202681%31
February 2026100%28
March 202686%29
April 202693%28
May 2026100%30
Departures on time
92%
Diverted
0%
Flights flown
356
Months covered
12

Same route, other flights

Keep nerding

Based on 362 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.