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Flight Reliability

DL 5291 · Delta Air Lines

AGS → Atlanta (AGS–ATL)87% of its flights flew this route. The rest (CAE–ATL, DTW–RIC) are included in these numbers.

89
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
8 min
Average arrival delay
1.5%
Cancelled
10 min early
Median arrival delay

Based on 262 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

DL 5291 departing between 3–6 AM arrived on time 88% of the time, versus 75% between 9 AM–12 PM.

Saturday is the weak spot.

DL 5291 arrived on time 94% of the time on Wednesdays. On Saturdays: 82%.

A bit ahead of the AGS–ATL route.

DL 5291 arrived on time 87% of the time, versus 82% across the AGS–ATL route.

A bit ahead of the Delta Air Lines network.

DL 5291 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon87%(37 flights)
  • Tue84%(37 flights)
  • Wed94%(36 flights)
  • Thu87%(37 flights)
  • Fri84%(38 flights)
  • Sat82%(34 flights)
  • Sun90%(39 flights)
On-time by departure window
  • 3–6 AM88%(221 flights)
  • 6–9 AM87%(15 flights)
  • 9 AM–12 PM75%(12 flights)
  • 9 PM–12 AM80%(10 flights)
On-time trend by month
87%
May

Jun 82% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%34
July 202587%30
August 202590%31
September 202595%21
October 2025100%31
January 202685%13
March 202670%23
April 202683%30
May 202687%31
Departures on time
86%
Diverted
0%
Flights flown
258
Months covered
11

Same route, other flights

Keep nerding

Based on 262 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.