Route on-time record
FAT to DEN: most on-time flights and the best time to fly
Fresno (Fresno Yosemite International Airport) to Denver (Denver International Airport). 1,450 nonstop flights in Jun 2025 to May 2026, 87% arrived within 15 minutes and 0.1% were cancelled. The most reliable flight number was United 1774 at 5:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
FAT → DEN
Fresno to Denver: 1,450 nonstop flights a year
On time (12 months)
87%
Cancelled
0.1%
avg delay 10 min
Best time to leave
Before 9 AM
93% on time vs 81% noon to 3 PM
Most reliable airline
United
92% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · United 1774
5:00 AM → 8:25 AM2h 25m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.3%
- Avg arrival delay
- 6 min
- Arrived on time 94% of the time (306 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; Noon to 3 PM: 81%).
Strong track record · 306 flights
Find United 1774 fares Opens this date on Aviasales#2 · SkyWest 5787 · sold as United Express, Delta Connection, American Eagle or Alaska
9:00 AM → 12:33 PM2h 33m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 91% of the time (312 flights, Jun 2025 to May 2026).
- Never cancelled in 312 scheduled flights.
Strong track record · 312 flights
Find 9:00 AM flight fares Opens this date on Aviasales#3 · SkyWest 4764 · sold as United Express, Delta Connection, American Eagle or Alaska
1:05 PM → 4:38 PM2h 33m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 87% of the time (363 flights, Jun 2025 to May 2026).
- Never cancelled in 363 scheduled flights.
- Leaves in this route's least on-time window (Noon to 3 PM: 81% on time; Before 9 AM: 93%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Strong track record · 363 flights
Find 1:05 PM flight fares Opens this date on Aviasales#4 · Southwest 366
12:35 PM → 3:55 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-30.
77%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 79% of the time (24 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 81% on time; Before 9 AM: 93%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 58% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 24 flights
Find Southwest 366 fares Opens this date on Aviasales#5 · Southwest 1775
1:10 PM → 4:30 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-29.
67%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 74% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 81% on time; Before 9 AM: 93%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 66% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 23 flights
Find Southwest 1775 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines92%
344 flights · 93% on time as flown · 0.2% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)89%
747 flights · 89% on time as flown · 0.0% cancel
- Southwest Airlines79%
359 flights · 78% on time as flown · 0.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
410 flights · avg delay 6 min
- 9 AM to noon91%
409 flights · avg delay 9 min
- Noon to 3 PM81%
625 flights · avg delay 13 min
Best day: Wednesday (89%). Worst: Friday (82%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)45%
- Air traffic control and airport volume26%
- Late-arriving aircraft21%
- Severe weather7%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
FAT to DEN questions
- What time of day is best to fly FAT to DEN?
- Before 9 AM: 93% of flights arrived on time, against 81% for departures noon to 3 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from FAT to DEN?
- United, with a season-adjusted 92% chance of operating and arriving on time over 344 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on FAT to DEN?
- June (77% on time); the best was October (92%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from FAT
- DEN to FAT (return)
- FAT to LAS 83%
- FAT to SAN 77%
- FAT to PHX 82%
- FAT to DFW 80%
- FAT to SLC 95%
- FAT to SFO 70%
- FAT to SEA 78%
- FAT to LAX 87%
- FAT to PDX 90%
Most on-time flights from FAT on every route →
Live status: FAA delays and ground stops