Route on-time record
PIR to DEN: most on-time flights and the best time to fly
Pierre (Pierre Regional Airport) to Denver (Denver International Airport). 556 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 2.2% were cancelled. The most reliable flight number was SkyWest 5033 at 6:20 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
PIR → DEN
Pierre to Denver: 556 nonstop flights a year
On time (12 months)
81%
Cancelled
2.2%
avg delay 23 min
Best time to leave
Before 9 AM
88% on time vs 71% 3 to 6 PM
Most reliable airline
SkyWest
79% chance on time
Lowest nonstop fare seen in the next two months: $494 (United 5103 on 2026-10-28). 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 · SkyWest 5033 · sold as United Express, Delta Connection, American Eagle or Alaska
6:20 AM → 7:00 AM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 6059; its record covers all of them.
87%
chance on time
- On time (history)
- 94%
- Cancelled
- 3.1%
- Avg arrival delay
- 8 min
- Arrived on time 94% of the time (31 flights, Jun 2025 to May 2026).
- Cancelled 3.1% of the time (1 of 32).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 71%).
Limited track record · 31 flights
Find 6:20 AM flight fares Opens this date on Aviasales#2 · SkyWest 5018 · sold as United Express, Delta Connection, American Eagle or Alaska
5:15 PM → 5:55 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 5107; its record covers all of them.
68%
chance on time
- On time (history)
- 66%
- Cancelled
- 2.6%
- Avg arrival delay
- 30 min
- Arrived on time 66% of the time (35 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 71% on time; Before 9 AM: 88%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
Limited track record · 35 flights
Find 5:15 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)79%
556 flights · 81% on time as flown · 2.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
301 flights · avg delay 24 min
- 3 to 6 PM71%
218 flights · avg delay 22 min
- 6 to 9 PM77%
35 flights · avg delay 18 min
On time by month
All airlines, Jun 2025 to May 2026. One year of data, so a single stormy month can stand out.
What delays this route
- Airline (crew, maintenance, boarding)47%
- Late-arriving aircraft23%
- Air traffic control and airport volume19%
- Severe weather11%
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
PIR to DEN questions
- What time of day is best to fly PIR to DEN?
- Before 9 AM: 88% of flights arrived on time, against 71% for departures 3 to 6 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 PIR to DEN?
- SkyWest, with a season-adjusted 79% chance of operating and arriving on time over 556 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 PIR to DEN?
- August (69% on time); the best was May (88%), from one year of data, so one bad storm season can move a month.
- 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 PIR
Live status: FAA delays and ground stops