Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 2123 · Delta Air Lines

Atlanta → Syracuse (ATL–SYR)

70
Usually Fine
WanderNerd Reliability Score
74%
Arrive within 15 minutes
12 min
Average arrival delay
2.7%
Cancelled
1 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 2123 arrived on time 90% of the time on Wednesdays and just 63% on Sundays. That gap is worth planning around.

A bit behind the ATL–SYR route.

DL 2123 arrived on time 74% of the time, versus 80% across the ATL–SYR route.

Lagging the Delta Air Lines network.

DL 2123 arrived on time 74% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 2123 arrived on time 80% of the time over the last three months in the data, compared with 71% in the three months before that.

The breakdown

On-time by weekday
  • Mon67%(52 flights)
  • Tue79%(52 flights)
  • Wed90%(52 flights)
  • Thu65%(51 flights)
  • Fri67%(48 flights)
  • Sat84%(49 flights)
  • Sun63%(51 flights)
On-time by departure window
  • 6–9 PM—(6 flights)
  • 9 PM–12 AM73%(349 flights)
On-time trend by month
77%
May

Jun 45% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202545%29
July 202555%29
August 202580%30
September 202583%30
October 202584%31
November 202579%29
December 202567%30
January 202675%28
February 202671%28
March 202677%30
April 202687%30
May 202677%31
Departures on time
72%
Diverted
0%
Flights flown
355
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.