Skip to content
WanderNerd

Flight Reliability

DL 302 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 302 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

88%
Arrive within 15 minutes
8 min early
Average arrival delay
2.3%
Cancelled
14 min early
Median arrival delay

Based on 221 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(43 flights)
  • Tue95%(42 flights)
  • Wed89%(18 flights)
  • Thu82%(17 flights)
  • Fri91%(42 flights)
  • Sat95%(43 flights)
  • Sun70%(10 flights)
On-time by departure window
  • 12–3 AM90%(169 flights)
  • 6–9 AM88%(25 flights)
  • 12–3 PM(4 flights)
  • 3–6 PM81%(16 flights)
  • 6–9 PM(1 flights)
On-time trend by month
94%
May

Jun 87% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%15
July 202556%16
August 202572%18
September 2025100%12
October 2025100%15
December 202595%21
January 202679%14
February 202688%25
March 202693%27
April 202696%26
May 202694%17
Departures on time
87%
Diverted
0.5%
Flights flown
215
Months covered
12

Based on 221 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.