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Flight Reliability

DL 3618 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3618 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

86%
Arrive within 15 minutes
10 min
Average arrival delay
2.1%
Cancelled
11 min early
Median arrival delay

Based on 425 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(66 flights)
  • Tue97%(62 flights)
  • Wed86%(62 flights)
  • Thu83%(63 flights)
  • Fri84%(63 flights)
  • Sat85%(34 flights)
  • Sun73%(66 flights)
On-time by departure window
  • 9 AM–12 PM88%(286 flights)
  • 12–3 PM81%(130 flights)
On-time trend by month
95%
Apr

Jun 85% → Apr 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%40
July 202587%54
August 202592%50
September 202594%53
October 202595%62
November 202575%51
December 202558%38
March 202685%48
April 202695%20
Departures on time
86%
Diverted
0%
Flights flown
416
Months covered
9

Keep nerding

Based on 425 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.