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Flight Reliability

DL 1154 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1154 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

87%
Arrive within 15 minutes
1 min
Average arrival delay
1.3%
Cancelled
7 min early
Median arrival delay

Based on 542 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(75 flights)
  • Tue88%(76 flights)
  • Wed90%(77 flights)
  • Thu84%(77 flights)
  • Fri87%(77 flights)
  • Sat88%(76 flights)
  • Sun85%(75 flights)
On-time by departure window
  • 6–9 AM96%(67 flights)
  • 9 AM–12 PM87%(215 flights)
  • 12–3 PM85%(192 flights)
  • 3–6 PM80%(59 flights)
On-time trend by month
96%
May

Jun 81% → May 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%58
July 202577%61
August 202593%61
September 202590%60
October 202592%62
November 202595%59
December 202575%48
January 202687%30
February 202681%26
March 202684%31
April 2026100%12
May 202696%25
Departures on time
86%
Diverted
0.4%
Flights flown
533
Months covered
12

Keep nerding

Based on 542 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.