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Flight Reliability

DL 1534 · Delta Air Lines

New Orleans → Atlanta (MSY–ATL)

90
Nerd Approved
WanderNerd Reliability Score
91%
Arrive within 15 minutes
2 min early
Average arrival delay
2.2%
Cancelled
8 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 1534 departing between 3–6 AM arrived on time 100% of the time, versus 90% between 6–9 AM.

Sunday scaries are real for this one.

DL 1534 arrived on time 100% of the time on Thursdays and just 82% on Sundays. That gap is worth planning around.

Better than the MSY–ATL route average.

DL 1534 arrived on time 91% of the time, versus 83% across the MSY–ATL route.

Better than the Delta Air Lines network average.

DL 1534 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue92%(51 flights)
  • Wed96%(52 flights)
  • Thu100%(51 flights)
  • Fri92%(50 flights)
  • Sat90%(50 flights)
  • Sun82%(49 flights)
On-time by departure window
  • 3–6 AM100%(22 flights)
  • 6–9 AM90%(332 flights)
On-time trend by month
90%
May

Jun 79% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%29
July 202594%31
August 202590%31
September 2025100%30
October 202587%31
November 202593%27
December 202590%30
January 202693%30
February 2026100%25
March 202690%29
April 202687%30
May 202690%31
Departures on time
94%
Diverted
0%
Flights flown
354
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.