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Flight Reliability

DL 4942 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 4942 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

71%
Arrive within 15 minutes
16 min
Average arrival delay
5.9%
Cancelled
9 min early
Median arrival delay

Based on 439 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(58 flights)
  • Tue73%(63 flights)
  • Wed74%(62 flights)
  • Thu75%(57 flights)
  • Fri66%(61 flights)
  • Sat75%(51 flights)
  • Sun62%(60 flights)
On-time by departure window
  • 9 AM–12 PM—(1 flights)
  • 12–3 PM72%(262 flights)
  • 3–6 PM70%(142 flights)
  • 6–9 PM—(6 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
60%
May

Jun 61% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%28
July 202571%28
August 202584%31
September 202567%30
October 202568%31
November 202571%28
December 202555%22
January 202678%45
February 202683%36
March 202667%42
April 202673%56
May 202660%35
Departures on time
75%
Diverted
0.2%
Flights flown
412
Months covered
12

Keep nerding

Based on 439 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.