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Flight Reliability

DL 1417 · Delta Air Lines

Houston → New York (IAH–LGA)98% of its flights flew this route. The rest (LGA–BOS) are included in these numbers.

79
Usually Fine
WanderNerd Reliability Score
87%
Arrive within 15 minutes
1 min early
Average arrival delay
3.8%
Cancelled
11 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Saturday is the weak spot.

DL 1417 arrived on time 96% of the time on Fridays. On Saturdays: 82%.

Better than the IAH–LGA route average.

DL 1417 arrived on time 87% of the time, versus 73% across the IAH–LGA route.

A bit ahead of the Delta Air Lines network.

DL 1417 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

Keep a backup plan handy.

DL 1417 was cancelled 3.8% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon84%(50 flights)
  • Tue96%(49 flights)
  • Wed88%(48 flights)
  • Thu82%(51 flights)
  • Fri96%(50 flights)
  • Sat82%(51 flights)
  • Sun84%(50 flights)
On-time trend by month
81%
May

Jun 86% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202590%31
August 202593%30
September 2025100%30
October 202586%29
November 202593%29
December 202571%28
January 202686%29
February 202692%26
March 202674%27
April 202693%30
May 202681%31
Departures on time
88%
Diverted
0.3%
Flights flown
349
Months covered
12

Same route, other flights

Keep nerding

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.