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WanderNerd

Flight Reliability

DL 3574 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3574 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

76%
Arrive within 15 minutes
20 min
Average arrival delay
1.0%
Cancelled
8 min early
Median arrival delay

Based on 202 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(29 flights)
  • Tue79%(29 flights)
  • Wed69%(29 flights)
  • Thu89%(26 flights)
  • Fri68%(22 flights)
  • Sat82%(34 flights)
  • Sun67%(30 flights)
On-time by departure window
  • 6–9 AM83%(54 flights)
  • 9 AM–12 PM77%(57 flights)
  • 12–3 PM67%(18 flights)
  • 3–6 PM76%(46 flights)
  • 6–9 PM67%(24 flights)
On-time trend by month
100%
Apr

Jun 59% → Apr 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%54
October 202589%54
November 202575%52
April 2026100%12
Departures on time
74%
Diverted
0.5%
Flights flown
199
Months covered
8

Based on 202 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.