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Flight Reliability

DL 2900 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2900 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

76%
Arrive within 15 minutes
6 min
Average arrival delay
3.4%
Cancelled
10 min early
Median arrival delay

Based on 327 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(62 flights)
  • Tue79%(24 flights)
  • Wed76%(21 flights)
  • Thu77%(60 flights)
  • Fri71%(58 flights)
  • Sat70%(23 flights)
  • Sun79%(67 flights)
On-time by departure window
  • 3–6 PM—(2 flights)
  • 6–9 PM76%(313 flights)
On-time trend by month
75%
May

Jun 50% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%24
July 202561%41
August 202582%44
September 202583%42
October 202586%36
November 202585%26
December 202575%40
January 202667%18
February 2026100%11
May 202675%24
Departures on time
75%
Diverted
0.3%
Flights flown
315
Months covered
11

Keep nerding

Based on 327 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.