Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 1487 · Delta Air Lines

Detroit → New York (DTW–LGA)

86
Pretty Reliable
WanderNerd Reliability Score
91%
Arrive within 15 minutes
7 min early
Average arrival delay
2.8%
Cancelled
12 min early
Median arrival delay

Based on 356 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

DL 1487 arrived on time 94% of the time on Wednesdays. On Fridays: 85%.

Better than the DTW–LGA route average.

DL 1487 arrived on time 91% of the time, versus 76% across the DTW–LGA route.

Better than the Delta Air Lines network average.

DL 1487 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.

Ticking up lately.

DL 1487 arrived on time 92% of the time over the last three months in the data, compared with 86% in the three months before that.

The breakdown

On-time by weekday
  • Mon92%(48 flights)
  • Tue94%(50 flights)
  • Wed94%(52 flights)
  • Thu94%(51 flights)
  • Fri85%(52 flights)
  • Sat91%(44 flights)
  • Sun85%(48 flights)
On-time trend by month
97%
May

Jun 87% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202597%31
August 202596%26
September 2025100%26
October 202587%30
November 202590%29
December 202586%28
January 202680%30
February 202692%26
March 202697%29
April 202683%29
May 202697%31
Departures on time
93%
Diverted
0.3%
Flights flown
345
Months covered
12

Same route, other flights

Keep nerding

Based on 356 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.