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Flight Reliability

DL 1441 · Delta Air Lines

Dallas–Fort Worth → Detroit (DFW–DTW)85% of its flights flew this route. The rest (DFW–LGA, SLC–SMF) are included in these numbers.

76
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
12 min
Average arrival delay
1.8%
Cancelled
8 min early
Median arrival delay

Based on 332 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 1441 departing between 9 PM–12 AM arrived on time 88% of the time, versus 72% between 6–9 PM.

Sunday scaries are real for this one.

DL 1441 arrived on time 86% of the time on Tuesdays and just 71% on Sundays. That gap is worth planning around.

A bit behind the Delta Air Lines network.

DL 1441 arrived on time 77% of the time, versus 81% across the Delta Air Lines network.

Recent months have been rougher.

DL 1441 arrived on time 78% of the time over the last three months in the data, compared with 85% in the three months before that.

The breakdown

On-time by weekday
  • Mon72%(50 flights)
  • Tue86%(50 flights)
  • Wed77%(51 flights)
  • Thu76%(50 flights)
  • Fri76%(50 flights)
  • Sat82%(27 flights)
  • Sun71%(48 flights)
On-time by departure window
  • 9 AM–12 PM—(8 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM82%(107 flights)
  • 6–9 PM72%(194 flights)
  • 9 PM–12 AM88%(16 flights)
On-time trend by month
68%
May

Jun 54% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%26
July 202546%26
August 202582%27
September 202586%29
October 202587%31
November 202576%29
December 202582%28
January 202678%27
February 202696%22
March 202685%27
April 202681%26
May 202668%28
Departures on time
72%
Diverted
0%
Flights flown
326
Months covered
12

Same route, other flights

Keep nerding

Based on 332 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.