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WanderNerd

Flight Reliability

DL 1241 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1241 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

66%
Arrive within 15 minutes
27 min
Average arrival delay
3.0%
Cancelled
1 min
Median arrival delay

Based on 297 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(41 flights)
  • Tue67%(43 flights)
  • Wed59%(41 flights)
  • Thu55%(40 flights)
  • Fri68%(41 flights)
  • Sat69%(42 flights)
  • Sun70%(40 flights)
On-time by departure window
  • 9 AM–12 PM(7 flights)
  • 12–3 PM64%(11 flights)
  • 3–6 PM54%(124 flights)
  • 6–9 PM76%(146 flights)
On-time trend by month
77%
May

Aug 75% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202575%20
September 202573%30
October 202547%30
November 202541%29
December 202539%23
January 202683%29
February 202679%28
March 202655%31
April 202687%30
May 202677%31
Departures on time
68%
Diverted
0%
Flights flown
288
Months covered
11

Based on 297 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.