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Flight Reliability

DL 5137 · Delta Air Lines

BGR → New York (BGR–LGA)

77
Usually Fine
WanderNerd Reliability Score
90%
Arrive within 15 minutes
2 min early
Average arrival delay
5.3%
Cancelled
15 min early
Median arrival delay

Based on 358 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

DL 5137 departing between 3–6 AM arrived on time 92% of the time, versus 84% between 6–9 AM.

Sunday scaries are real for this one.

DL 5137 arrived on time 98% of the time on Tuesdays and just 82% on Sundays. That gap is worth planning around.

A bit ahead of the BGR–LGA route.

DL 5137 arrived on time 90% of the time, versus 83% across the BGR–LGA route.

Better than the Delta Air Lines network average.

DL 5137 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon92%(49 flights)
  • Tue98%(42 flights)
  • Wed92%(47 flights)
  • Thu88%(49 flights)
  • Fri88%(51 flights)
  • Sat90%(51 flights)
  • Sun82%(50 flights)
On-time by departure window
  • 3–6 AM92%(254 flights)
  • 6–9 AM84%(85 flights)
On-time trend by month
90%
May

Jun 91% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202591%23
July 202596%28
August 202590%31
September 2025100%29
October 202597%31
November 202579%29
December 202568%28
January 202688%25
February 202692%26
March 202693%28
April 202690%30
May 202690%31
Departures on time
94%
Diverted
0%
Flights flown
339
Months covered
12

Same route, other flights

Keep nerding

Based on 358 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.