FlightRecord

Friedman Memorial Airport (SUN): Delays & On-Time Performance

Data through May 2026

Friedman Memorial Airport (SUN) is a tale of two seasons: departures ran 97% on-time in November 2025 but sank to 79% in December 2025. Across the year it averages 87% against a national 78%, over roughly 7 departures a day to 7 destinations.

Departures on-time
87%
left <15 min late
Avg dep delay
16 min
Arrivals on-time
86%
Cancelled
1.0%
Destinations
7
nonstop
Airlines
1

Monthly on-time trend

Monthly departure on-time percentage at SUN50%75%100%June 2024: 93% on-time (152 flights)93Jun 2024July 2024: 88% on-time (194 flights)88August 2024: 83% on-time (195 flights)83September 2024: 94% on-time (137 flights)94Sep 2024October 2024: 95% on-time (109 flights)95November 2024: 99% on-time (89 flights)99December 2024: 87% on-time (205 flights)87Dec 2024January 2025: 85% on-time (277 flights)85February 2025: 83% on-time (251 flights)83March 2025: 87% on-time (280 flights)87Mar 2025April 2025: 97% on-time (122 flights)97May 2025: 85% on-time (144 flights)85June 2025: 87% on-time (193 flights)87Jun 2025July 2025: 87% on-time (254 flights)87August 2025: 88% on-time (249 flights)88September 2025: 93% on-time (183 flights)93Sep 2025October 2025: 93% on-time (170 flights)93November 2025: 97% on-time (116 flights)97December 2025: 79% on-time (265 flights)79Dec 2025January 2026: 83% on-time (331 flights)83February 2026: 82% on-time (306 flights)82March 2026: 85% on-time (345 flights)85Mar 2026April 2026: 85% on-time (157 flights)85May 2026: 91% on-time (135 flights)91

Best time of day to depart from SUN

On-time percentage by scheduled departure hour at SUN7 a.m.: 95% on-time (1,314 flights)78 a.m.: 75% on-time (421 flights)812 p.m.: 85% on-time (745 flights)121 p.m.: 83% on-time (662 flights)132 p.m.: 83% on-time (893 flights)143 p.m.: 94% on-time (540 flights)154 p.m.: 87% on-time (192 flights)16scheduled departure hour

Busiest routes from SUN

RouteFlights/12moOn-timeAvg delay
SUN → SLC1,07894%9 min
SUN → DEN63185%17 min
SUN → LAX32489%11 min
SUN → SFO27669%26 min
SUN → ORD26064%41 min

Most reliable routes

  1. SUN → SLC94%
  2. SUN → LAX89%
  3. SUN → DEN85%
  4. SUN → SFO69%
  5. SUN → ORD64%

Most delay-prone routes

  1. SUN → ORD64%
  2. SUN → SFO69%
  3. SUN → DEN85%
  4. SUN → LAX89%
  5. SUN → SLC94%

Frequently asked questions

How often are flights delayed at SUN?
13% of departures from Friedman Memorial Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 16 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from SUN?
Flights scheduled around 7 a.m. depart on time 95% of the time at SUN, versus 75% around 8 a.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at SUN?
In this dataset, December 2025 was the weakest month at SUN, with 79% of departures on time.
How often are flights cancelled at SUN?
1% of scheduled departures from SUN were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 4,859 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.