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WanderNerd

Flight Reliability

DL 4918 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4918 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

64%
Arrive within 15 minutes
28 min
Average arrival delay
5.4%
Cancelled
2 min
Median arrival delay

Based on 336 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(49 flights)
  • Tue62%(52 flights)
  • Wed66%(50 flights)
  • Thu66%(44 flights)
  • Fri67%(48 flights)
  • Sat62%(26 flights)
  • Sun58%(48 flights)
On-time by departure window
  • 9 AM–12 PM90%(10 flights)
  • 12–3 PM81%(68 flights)
  • 3–6 PM58%(12 flights)
  • 6–9 PM58%(225 flights)
  • 9 PM–12 AM(2 flights)
On-time trend by month
58%
May

Jun 50% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%24
July 202554%24
August 202579%28
September 202565%26
October 202564%25
November 202557%21
December 202547%17
January 202681%53
February 202673%26
March 202665%20
April 202644%27
May 202658%26
Departures on time
60%
Diverted
0.3%
Flights flown
317
Months covered
12

Based on 336 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.