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Flight Reliability

DL 5128 · Delta Air Lines

Atlanta → Bentonville (ATL–XNA)91% of its flights flew this route. The rest (ATL–GNV, GNV–ATL) are included in these numbers.

82
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
13 min
Average arrival delay
0.8%
Cancelled
5 min early
Median arrival delay

Based on 371 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 5128 departing between 6–9 AM arrived on time 100% of the time, versus 78% between 3–6 PM.

Mondays have been rough.

DL 5128 arrived on time 87% of the time on Fridays and just 70% on Mondays. That gap is worth planning around.

Recent months have been rougher.

DL 5128 arrived on time 67% of the time over the last three months in the data, compared with 86% in the three months before that.

The breakdown

On-time by weekday
  • Mon70%(54 flights)
  • Tue77%(53 flights)
  • Wed85%(54 flights)
  • Thu83%(53 flights)
  • Fri87%(52 flights)
  • Sat81%(48 flights)
  • Sun83%(52 flights)
On-time by departure window
  • 6–9 AM100%(14 flights)
  • 9 AM–12 PM100%(18 flights)
  • 12–3 PM85%(59 flights)
  • 3–6 PM78%(275 flights)
On-time trend by month
68%
May

Jun 79% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%28
July 202579%33
August 202587%31
September 202586%28
October 202587%30
November 202589%27
December 202588%43
January 202681%32
February 202689%28
March 202671%28
April 202663%27
May 202668%31
Departures on time
82%
Diverted
0.5%
Flights flown
366
Months covered
12

Same route, other flights

Keep nerding

Based on 371 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.