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WanderNerd

Flight Reliability

DL 4662 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4662 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

86%
Arrive within 15 minutes
1 min early
Average arrival delay
0.7%
Cancelled
12 min early
Median arrival delay

Based on 149 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(19 flights)
  • Tue90%(19 flights)
  • Wed84%(19 flights)
  • Thu95%(20 flights)
  • Fri77%(22 flights)
  • Sat87%(30 flights)
  • Sun84%(19 flights)
On-time by departure window
  • 3–6 AM100%(19 flights)
  • 6–9 AM60%(15 flights)
  • 9 AM–12 PM86%(51 flights)
  • 12–3 PM88%(59 flights)
  • 3–6 PM(4 flights)
On-time trend by month
87%
May

Dec 55% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 202555%11
February 2026100%16
April 202689%36
May 202687%62
Departures on time
81%
Diverted
0%
Flights flown
148
Months covered
8

Based on 149 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.