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WanderNerd

Flight Reliability

DL 5697 · Delta Air Lines

Richmond → Boston (RICBOS)83% of its flights flew this route. The rest (PWM–DTW, LEX–DTW) are included in these numbers.

94
Nerd Approved
WanderNerd Reliability Score
89%
Arrive within 15 minutes
5 min early
Average arrival delay
0.8%
Cancelled
15 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

DL 5697 departing between 6–9 AM arrived on time 91% of the time, versus 79% between 12–3 PM.

Mondays have been rough.

DL 5697 arrived on time 94% of the time on Tuesdays and just 78% on Mondays. That gap is worth planning around.

Better than the RIC–BOS route average.

DL 5697 arrived on time 89% of the time, versus 79% across the RIC–BOS route.

Better than the Delta Air Lines network average.

DL 5697 arrived on time 89% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon78%(50 flights)
  • Tue94%(52 flights)
  • Wed90%(52 flights)
  • Thu90%(52 flights)
  • Fri92%(51 flights)
  • Sat86%(51 flights)
  • Sun91%(53 flights)
On-time by departure window
  • 6–9 AM91%(302 flights)
  • 9 AM–12 PM(2 flights)
  • 12–3 PM79%(56 flights)
  • 6–9 PM(1 flights)
On-time trend by month
94%
May

Jun 97% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 2025100%30
August 202590%31
September 202587%30
October 202590%30
November 202583%30
December 202587%31
January 202673%30
February 202685%27
March 202690%31
April 202690%30
May 202694%31
Departures on time
90%
Diverted
0%
Flights flown
361
Months covered
12

Based on 364 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.