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Flight Reliability

DL 5391 · Delta Air Lines

CHO → New York (CHO–LGA)81% of its flights flew this route. The rest (CHA–ATL, CLE–DTW) are included in these numbers.

67
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
16 min
Average arrival delay
2.5%
Cancelled
8 min early
Median arrival delay

Based on 280 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 5391 departing between 9 AM–12 PM arrived on time 76% of the time, versus 57% between 3–6 PM.

Skip Monday if you can.

DL 5391 arrived on time 79% of the time on Wednesdays. On Mondays: 64%.

A bit behind the CHO–LGA route.

DL 5391 arrived on time 72% of the time, versus 75% across the CHO–LGA route.

Lagging the Delta Air Lines network.

DL 5391 arrived on time 72% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon64%(45 flights)
  • Tue72%(46 flights)
  • Wed79%(47 flights)
  • Thu74%(42 flights)
  • Fri67%(46 flights)
  • Sat—(2 flights)
  • Sun76%(45 flights)
On-time by departure window
  • 6–9 AM—(1 flights)
  • 9 AM–12 PM76%(53 flights)
  • 12–3 PM73%(198 flights)
  • 3–6 PM57%(21 flights)
On-time trend by month
92%
May

Jun 63% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%27
July 202569%26
August 202580%25
September 202577%26
October 202565%26
November 202575%24
December 202535%17
January 202685%20
February 202690%10
March 202671%21
April 202662%26
May 202692%25
Departures on time
81%
Diverted
0%
Flights flown
273
Months covered
12

Same route, other flights

Keep nerding

Based on 280 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.