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Flight Reliability

DL 5698 · Delta Air Lines

Washington → Boston (DCA–BOS)96% of its flights flew this route. The rest (CLE–LGA, BOS–TVC) are included in these numbers.

86
Pretty Reliable
WanderNerd Reliability Score
92%
Arrive within 15 minutes
5 min early
Average arrival delay
3.7%
Cancelled
11 min early
Median arrival delay

Based on 324 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 5698 departing between 6–9 AM arrived on time 93% of the time, versus 75% between 12–3 PM.

Friday is doing you no favors.

DL 5698 arrived on time 98% of the time on Wednesdays. On Fridays: 86%.

Well ahead of the DCA–BOS route.

DL 5698 arrived on time 92% of the time, versus 71% across the DCA–BOS route.

Better than the Delta Air Lines network average.

DL 5698 arrived on time 92% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon92%(48 flights)
  • Tue92%(49 flights)
  • Wed98%(49 flights)
  • Thu92%(50 flights)
  • Fri86%(51 flights)
  • Sat95%(41 flights)
  • Sun92%(24 flights)
On-time by departure window
  • 6–9 AM93%(300 flights)
  • 12–3 PM75%(12 flights)
On-time trend by month
97%
May

Jun 91% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%23
July 2025100%21
August 2025100%24
September 202596%26
October 202593%27
November 202596%23
December 202580%25
January 202685%27
February 202696%26
March 202690%29
April 202687%30
May 202697%31
Departures on time
90%
Diverted
0%
Flights flown
312
Months covered
12

Same route, other flights

Keep nerding

Based on 324 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.