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WanderNerd

Flight Reliability

DL 5214 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 5214 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

81%
Arrive within 15 minutes
4 min
Average arrival delay
1.7%
Cancelled
9 min early
Median arrival delay

Based on 517 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(76 flights)
  • Tue81%(77 flights)
  • Wed88%(73 flights)
  • Thu82%(72 flights)
  • Fri84%(68 flights)
  • Sat92%(64 flights)
  • Sun72%(78 flights)
On-time by departure window
  • 6–9 AM82%(203 flights)
  • 9 AM–12 PM82%(235 flights)
  • 12–3 PM(2 flights)
  • 3–6 PM88%(25 flights)
  • 6–9 PM72%(43 flights)
On-time trend by month
93%
May

Jun 68% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%50
July 202577%62
August 202592%62
September 202587%60
October 202588%56
November 202581%42
December 202580%56
January 202690%19
March 202672%29
April 202670%50
May 202693%14
Departures on time
82%
Diverted
0%
Flights flown
508
Months covered
12

Based on 517 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.