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WanderNerd

Flight Reliability

DL 3609 · Delta Air Lines

Salt Lake City → Omaha (SLCOMA)85% of its flights flew this route. The rest (DTW–BTV, BTV–DTW) are included in these numbers.

83
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
14 min
Average arrival delay
0%
Cancelled
4 min early
Median arrival delay

Based on 227 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 3609 departing between 6–9 PM arrived on time 87% of the time, versus 31% between 3–6 PM.

Friday is doing you no favors.

DL 3609 arrived on time 90% of the time on Wednesdays and just 72% on Fridays. That gap is worth planning around.

Lagging the SLC–OMA route.

DL 3609 arrived on time 82% of the time, versus 91% across the SLC–OMA route.

It basically never cancels.

Out of 227 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon84%(32 flights)
  • Tue81%(32 flights)
  • Wed90%(30 flights)
  • Thu87%(30 flights)
  • Fri72%(32 flights)
  • Sat82%(33 flights)
  • Sun80%(35 flights)
On-time by departure window
  • 6–9 AM(7 flights)
  • 12–3 PM63%(16 flights)
  • 3–6 PM31%(13 flights)
  • 6–9 PM87%(188 flights)
On-time trend by month
73%
Dec

Jun 100% → Dec 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%29
July 202559%29
August 202590%31
September 202593%30
October 202590%30
November 202586%28
December 202573%40
Departures on time
83%
Diverted
1.3%
Flights flown
224
Months covered
8

Based on 227 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.