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Flight Reliability

DL 2091 · Delta Air Lines

Syracuse → Detroit (SYR–DTW)98% of its flights flew this route. The rest (MIA–LGA, ATL–CHA) are included in these numbers.

89
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
2 min early
Average arrival delay
1.4%
Cancelled
10 min early
Median arrival delay

Based on 350 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

DL 2091 departing between 6–9 AM arrived on time 90% of the time, versus 83% between 3–6 AM.

Saturday has been the better bet.

A small edge: 90% on time on Saturdays against 84% on Fridays.

Better than the SYR–DTW route average.

DL 2091 arrived on time 87% of the time, versus 79% across the SYR–DTW route.

A bit ahead of the Delta Air Lines network.

DL 2091 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon85%(47 flights)
  • Tue88%(49 flights)
  • Wed84%(50 flights)
  • Thu88%(50 flights)
  • Fri84%(50 flights)
  • Sat90%(49 flights)
  • Sun88%(50 flights)
On-time by departure window
  • 3–6 AM83%(118 flights)
  • 6–9 AM90%(219 flights)
  • 6–9 PM—(8 flights)
On-time trend by month
100%
May

Jun 83% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202597%31
August 202597%31
September 2025100%30
October 202597%31
November 202572%29
December 202553%19
January 202673%26
February 202682%28
March 202681%31
April 202689%28
May 2026100%31
Departures on time
92%
Diverted
0%
Flights flown
345
Months covered
12

Same route, other flights

Keep nerding

Based on 350 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.