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WanderNerd

Flight Reliability

DL 3773 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3773 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
Average arrival delay
1.7%
Cancelled
10 min early
Median arrival delay

Based on 598 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(85 flights)
  • Tue85%(84 flights)
  • Wed81%(84 flights)
  • Thu81%(86 flights)
  • Fri86%(84 flights)
  • Sat88%(82 flights)
  • Sun84%(83 flights)
On-time by departure window
  • 6–9 AM83%(24 flights)
  • 9 AM–12 PM96%(407 flights)
  • 12–3 PM57%(126 flights)
  • 3–6 PM44%(16 flights)
  • 6–9 PM53%(15 flights)
On-time trend by month
94%
May

Jun 100% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%46
July 202595%62
August 202597%62
September 2025100%60
October 202595%60
November 202593%54
December 202575%61
January 202652%31
February 202679%28
March 202649%51
April 202664%42
May 202694%31
Departures on time
86%
Diverted
0%
Flights flown
588
Months covered
12

Based on 598 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.