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WanderNerd

Flight Reliability

DL 3149 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3149 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

80%
Arrive within 15 minutes
5 min
Average arrival delay
1.0%
Cancelled
11 min early
Median arrival delay

Based on 201 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(34 flights)
  • Tue70%(23 flights)
  • Wed78%(23 flights)
  • Thu84%(32 flights)
  • Fri77%(31 flights)
  • Sat86%(22 flights)
  • Sun85%(34 flights)
On-time by departure window
  • 9 AM–12 PM93%(44 flights)
  • 12–3 PM96%(23 flights)
  • 6–9 PM71%(117 flights)
  • 9 PM–12 AM93%(15 flights)
On-time trend by month
94%
Apr

Jun 71% → Apr 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%34
July 202563%27
August 202574%31
September 202595%21
October 202587%15
December 202587%31
April 202694%18
Departures on time
79%
Diverted
0%
Flights flown
199
Months covered
10

Based on 201 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.