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WanderNerd

Flight Reliability

DL 3122 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3122 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

85%
Arrive within 15 minutes
3 min early
Average arrival delay
1.9%
Cancelled
9 min early
Median arrival delay

Based on 261 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(42 flights)
  • Tue83%(35 flights)
  • Wed83%(35 flights)
  • Thu95%(42 flights)
  • Fri90%(39 flights)
  • Sat87%(23 flights)
  • Sun85%(40 flights)
On-time by departure window
  • 6–9 AM94%(17 flights)
  • 12–3 PM(1 flights)
  • 3–6 PM81%(129 flights)
  • 6–9 PM90%(109 flights)
On-time trend by month
77%
May

Dec 88% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 202588%41
January 202687%37
February 202688%17
March 202684%45
April 202689%56
May 202677%56
Departures on time
85%
Diverted
0%
Flights flown
256
Months covered
7

Based on 261 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.