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Flight Reliability

DL 2833 · Delta Air Lines

Atlanta → St. Louis (ATL–STL)

70
Usually Fine
WanderNerd Reliability Score
73%
Arrive within 15 minutes
12 min
Average arrival delay
1.6%
Cancelled
3 min early
Median arrival delay

Based on 255 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 2833 departing between 9 PM–12 AM arrived on time 84% of the time, versus 71% between 6–9 PM.

Thursdays have been rough.

DL 2833 arrived on time 87% of the time on Mondays and just 53% on Thursdays. That gap is worth planning around.

Lagging the ATL–STL route.

DL 2833 arrived on time 73% of the time, versus 82% across the ATL–STL route.

Lagging the Delta Air Lines network.

DL 2833 arrived on time 73% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon87%(37 flights)
  • Tue81%(37 flights)
  • Wed86%(36 flights)
  • Thu53%(36 flights)
  • Fri62%(34 flights)
  • Sat73%(33 flights)
  • Sun67%(36 flights)
On-time by departure window
  • 6–9 PM71%(212 flights)
  • 9 PM–12 AM84%(37 flights)
On-time trend by month
67%
May

Jun 55% → May 67% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%29
July 202565%31
August 202580%30
September 202590%29
October 202584%31
November 202564%22
December 202579%29
April 202667%15
May 202667%30
Departures on time
72%
Diverted
0.8%
Flights flown
249
Months covered
10

Same route, other flights

Keep nerding

Based on 255 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.