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WanderNerd

Flight Reliability

DL 3833 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3833 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

91%
Arrive within 15 minutes
4 min early
Average arrival delay
0%
Cancelled
12 min early
Median arrival delay

Based on 496 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon94%(69 flights)
  • Tue86%(71 flights)
  • Wed83%(71 flights)
  • Thu92%(71 flights)
  • Fri92%(71 flights)
  • Sat94%(71 flights)
  • Sun93%(72 flights)
On-time by departure window
  • 6–9 AM88%(133 flights)
  • 9 AM–12 PM89%(186 flights)
  • 12–3 PM95%(163 flights)
  • 3–6 PM93%(14 flights)
On-time trend by month
98%
May

Jun 92% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%37
July 202594%31
August 202594%31
September 202590%30
December 202575%60
January 202694%62
February 202693%56
March 202686%62
April 202693%60
May 202698%62
Departures on time
91%
Diverted
0%
Flights flown
496
Months covered
11

Based on 496 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.