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Flight Reliability

DL 3814 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3814 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

80%
Arrive within 15 minutes
10 min
Average arrival delay
1.2%
Cancelled
8 min early
Median arrival delay

Based on 585 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(84 flights)
  • Tue84%(85 flights)
  • Wed85%(84 flights)
  • Thu78%(85 flights)
  • Fri84%(82 flights)
  • Sat75%(73 flights)
  • Sun83%(84 flights)
On-time by departure window
  • 6–9 AM72%(36 flights)
  • 9 AM–12 PM71%(35 flights)
  • 12–3 PM81%(451 flights)
  • 3–6 PM80%(35 flights)
  • 6–9 PM85%(20 flights)
On-time trend by month
84%
May

Jun 72% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%46
July 202579%61
August 202589%62
September 202592%51
October 202585%60
November 202586%50
December 202546%48
January 202694%32
February 202689%28
March 202687%54
April 202658%40
May 202684%45
Departures on time
80%
Diverted
0.2%
Flights flown
577
Months covered
12

Keep nerding

Based on 585 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.