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Flight Reliability

DL 1432 · Delta Air Lines

Boston → Detroit (BOS–DTW)93% of its flights flew this route. The rest (ATL–IAH, IAH–ATL) are included in these numbers.

67
Usually Fine
WanderNerd Reliability Score
70%
Arrive within 15 minutes
15 min
Average arrival delay
2.2%
Cancelled
3 min early
Median arrival delay

Based on 368 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 1432 departing between 6–9 AM arrived on time 100% of the time, versus 69% between 3–6 PM.

Sunday scaries are real for this one.

DL 1432 arrived on time 80% of the time on Saturdays and just 57% on Sundays. That gap is worth planning around.

Lagging the BOS–DTW route.

DL 1432 arrived on time 70% of the time, versus 78% across the BOS–DTW route.

Lagging the Delta Air Lines network.

DL 1432 arrived on time 70% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon65%(51 flights)
  • Tue74%(54 flights)
  • Wed78%(50 flights)
  • Thu76%(49 flights)
  • Fri65%(54 flights)
  • Sat80%(49 flights)
  • Sun57%(53 flights)
On-time by departure window
  • 6–9 AM100%(10 flights)
  • 9 AM–12 PM80%(10 flights)
  • 3–6 PM69%(330 flights)
  • 6–9 PM70%(10 flights)
On-time trend by month
65%
May

Jun 44% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202544%27
July 202555%29
August 202581%31
September 202580%30
October 202558%31
November 202579%29
December 202571%35
January 202679%29
February 202678%27
March 202681%31
April 202670%30
May 202665%31
Departures on time
69%
Diverted
0%
Flights flown
360
Months covered
12

Same route, other flights

Keep nerding

Based on 368 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.