Skip to content
WanderNerd

Flight Reliability

DL 2278 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2278 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

84%
Arrive within 15 minutes
7 min
Average arrival delay
1.3%
Cancelled
5 min early
Median arrival delay

Based on 235 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(35 flights)
  • Tue76%(33 flights)
  • Wed85%(33 flights)
  • Thu80%(35 flights)
  • Fri85%(34 flights)
  • Sat87%(30 flights)
  • Sun91%(32 flights)
On-time by departure window
  • 6–9 AM92%(74 flights)
  • 6–9 PM80%(158 flights)
On-time trend by month
89%
May

Oct 92% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202592%26
November 202586%29
December 202596%26
January 202671%31
February 202675%28
March 202672%29
April 202690%30
May 202689%26
Departures on time
84%
Diverted
0%
Flights flown
232
Months covered
9

Based on 235 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.