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WanderNerd

Flight Reliability

DL 2903 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2903 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

85%
Arrive within 15 minutes
0 min
Average arrival delay
1.2%
Cancelled
9 min early
Median arrival delay

Based on 655 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(96 flights)
  • Tue94%(99 flights)
  • Wed91%(95 flights)
  • Thu90%(91 flights)
  • Fri84%(92 flights)
  • Sat79%(72 flights)
  • Sun80%(99 flights)
On-time by departure window
  • 9 AM–12 PM92%(60 flights)
  • 12–3 PM85%(261 flights)
  • 3–6 PM78%(91 flights)
  • 6–9 PM86%(232 flights)
On-time trend by month
90%
May

Jun 84% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%57
July 202578%60
August 202583%60
September 202598%49
October 202581%59
November 202579%57
December 202580%54
January 202687%60
February 202694%54
March 202692%52
April 202679%52
May 202690%30
Departures on time
84%
Diverted
0.5%
Flights flown
644
Months covered
12

Based on 655 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.