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Flight Reliability

DL 5432 · Delta Air Lines

Cleveland → Detroit (CLE–DTW)88% of its flights flew this route. The rest (ATL–GPT, GPT–ATL) are included in these numbers.

90
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
3 min
Average arrival delay
1.2%
Cancelled
13 min early
Median arrival delay

Based on 333 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

DL 5432 departing between 3–6 AM arrived on time 93% of the time, versus 46% between 9 AM–12 PM.

Skip Thursday if you can.

DL 5432 arrived on time 92% of the time on Saturdays. On Thursdays: 81%.

A bit ahead of the CLE–DTW route.

DL 5432 arrived on time 87% of the time, versus 80% across the CLE–DTW route.

A bit ahead of the Delta Air Lines network.

DL 5432 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon89%(44 flights)
  • Tue91%(46 flights)
  • Wed83%(47 flights)
  • Thu81%(47 flights)
  • Fri87%(46 flights)
  • Sat92%(51 flights)
  • Sun83%(48 flights)
On-time by departure window
  • 3–6 AM93%(191 flights)
  • 6–9 AM84%(99 flights)
  • 9 AM–12 PM46%(26 flights)
  • 3–6 PM—(8 flights)
  • 6–9 PM—(5 flights)
On-time trend by month
100%
May

Jun 100% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%29
July 202593%30
August 2025100%30
September 202593%30
October 202587%30
November 202593%28
December 202564%39
January 202662%29
February 202689%28
March 202683%30
April 202693%14
May 2026100%12
Departures on time
87%
Diverted
0%
Flights flown
329
Months covered
12

Same route, other flights

Keep nerding

Based on 333 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.