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WanderNerd

Flight Reliability

DL 4632 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4632 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

83%
Arrive within 15 minutes
5 min
Average arrival delay
2.5%
Cancelled
4 min early
Median arrival delay

Based on 163 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon100%(20 flights)
  • Tue96%(22 flights)
  • Wed77%(22 flights)
  • Thu86%(22 flights)
  • Fri77%(22 flights)
  • Sat81%(26 flights)
  • Sun65%(23 flights)
On-time by departure window
  • 6–9 AM83%(24 flights)
  • 9 AM–12 PM(5 flights)
  • 12–3 PM80%(65 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM85%(59 flights)
On-time trend by month
83%
May

Jul 79% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202579%42
August 202588%16
January 202688%24
February 202689%28
May 202683%24
Departures on time
87%
Diverted
1.2%
Flights flown
157
Months covered
10

Based on 163 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.