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Flight Reliability

DL 2377 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 2377 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

71%
Arrive within 15 minutes
16 min
Average arrival delay
1.1%
Cancelled
1 min early
Median arrival delay

Based on 377 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(64 flights)
  • Tue77%(57 flights)
  • Wed76%(53 flights)
  • Thu73%(62 flights)
  • Fri68%(63 flights)
  • Sat82%(11 flights)
  • Sun63%(60 flights)
On-time by departure window
  • 12–3 PM73%(223 flights)
  • 3–6 PM—(8 flights)
  • 6–9 PM66%(139 flights)
On-time trend by month
69%
May

Jun 39% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202539%13
August 202569%16
September 202581%26
October 202585%26
November 202573%22
December 202552%31
January 202673%44
February 202687%38
March 202673%51
April 202663%51
May 202669%52
Departures on time
78%
Diverted
0.8%
Flights flown
370
Months covered
11

Keep nerding

Based on 377 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.