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Flight Reliability

DL 5110 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5110 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
2 min
Average arrival delay
2.2%
Cancelled
10 min early
Median arrival delay

Based on 231 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(26 flights)
  • Tue73%(33 flights)
  • Wed83%(35 flights)
  • Thu91%(34 flights)
  • Fri88%(33 flights)
  • Sat91%(32 flights)
  • Sun94%(33 flights)
On-time by departure window
  • 6–9 AM97%(61 flights)
  • 9 AM–12 PM96%(54 flights)
  • 12–3 PM70%(40 flights)
  • 3–6 PM75%(12 flights)
  • 6–9 PM78%(59 flights)
On-time trend by month
81%
May

Jun 70% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%10
July 202590%10
August 202598%46
September 202596%56
October 2025100%10
December 202546%11
April 202670%30
May 202681%48
Departures on time
89%
Diverted
0%
Flights flown
226
Months covered
10

Based on 231 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.