Route on-time record
DEN to RNO: most on-time flights and the best time to fly
Denver (Denver International Airport) to Reno (Reno Tahoe International Airport). 2,571 nonstop flights in Jun 2025 to May 2026, 74% arrived within 15 minutes and 0.3% were cancelled. The most reliable flight number was Southwest 1658 at 8:35 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
DEN → RNO
Denver to Reno: 2,571 nonstop flights a year
On time (12 months)
74%
Cancelled
0.3%
avg delay 16 min
Best time to leave
Before 9 AM
88% on time vs 57% after 9 PM
Most reliable airline
Frontier
81% 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 · Southwest 1658
8:35 AM → 9:55 AM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 993; its record covers all of them.
87%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 88% of the time (67 flights, Jun 2025 to May 2026).
- Never cancelled in 67 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; After 9 PM: 57%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Moderate track record · 67 flights
Find Southwest 1658 fares Opens this date on Aviasales#2 · United 1604
4:05 PM → 5:31 PM2h 26m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.3%
- Avg arrival delay
- 14 min
- Arrived on time 84% of the time (335 flights, Jun 2025 to May 2026).
- Departs 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.
Strong track record · 335 flights
Find United 1604 fares Opens this date on Aviasales#3 · United 2167
11:15 AM → 12:40 PM2h 25m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 82% of the time (363 flights, Jun 2025 to May 2026).
- Never cancelled in 364 scheduled flights.
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Strong track record · 363 flights
Find United 2167 fares Opens this date on Aviasales#4 · Southwest 4532
8:50 AM → 10:10 AM2h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
82%
chance on time
- On time (history)
- 80%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 80% of the time (20 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; After 9 PM: 57%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 4532 fares Opens this date on Aviasales#5 · Southwest 4027
1:20 PM → 2:40 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-30.
74%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- 56% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 4027 fares Opens this date on Aviasales#6 · Southwest 4588
3:10 PM → 4:30 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
70%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 23 min
- Arrived on time 74% of the time (23 flights, Jun 2025 to May 2026).
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 64% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 4588 fares Opens this date on Aviasales#7 · United 719
7:06 PM → 8:31 PM2h 25m nonstop
Local times, typical schedule. Last flown 2026-05-31.
68%
chance on time
- On time (history)
- 68%
- Cancelled
- 0.0%
- Avg arrival delay
- 23 min
- Arrived on time 68% of the time (364 flights, Jun 2025 to May 2026).
- Never cancelled in 364 scheduled flights.
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- 63% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 364 flights
Find United 719 fares Opens this date on Aviasales#8 · United 2852
8:59 PM → 10:30 PM2h 31m nonstop
Local times, typical schedule. Last flown 2026-05-31.
67%
chance on time
- On time (history)
- 66%
- Cancelled
- 0.7%
- Avg arrival delay
- 26 min
- Arrived on time 66% of the time (137 flights, Jun 2025 to May 2026).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 137 flights
Find United 2852 fares Opens this date on Aviasales#9 · Southwest 433
3:25 PM → 4:45 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
57%
chance on time
- On time (history)
- 43%
- Cancelled
- 0.0%
- Avg arrival delay
- 24 min
- Arrived on time 43% of the time (46 flights, Jun 2025 to May 2026).
- Never cancelled in 46 scheduled flights.
- Departs inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (46 flights), so its score leans on the airline's record at this hour.
Limited track record · 46 flights
Find Southwest 433 fares Opens this date on Aviasales#10 · Southwest 2043
8:50 PM → 10:15 PM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2737; its record covers all of them.
52%
chance on time
- On time (history)
- 45%
- Cancelled
- 0.0%
- Avg arrival delay
- 30 min
- Arrived on time 45% of the time (88 flights, Jun 2025 to May 2026).
- Never cancelled in 88 scheduled flights.
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- 66% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 88 flights
Find Southwest 2043 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Frontier Airlines81%
71 flights · 86% on time as flown · 0.2% cancel
- United Airlines77%
1,384 flights · 77% on time as flown · 0.2% cancel
- Southwest Airlines70%
1,091 flights · 70% on time as flown · 0.4% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
470 flights · avg delay 6 min
- 9 AM to noon84%
469 flights · avg delay 9 min
- Noon to 3 PM78%
113 flights · avg delay 15 min
- 3 to 6 PM74%
605 flights · avg delay 16 min
- 6 to 9 PM66%
560 flights · avg delay 23 min
- After 9 PM57%
354 flights · avg delay 26 min
Best day: Tuesday (79%). Worst: Thursday (73%).
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
- Late-arriving aircraft59%
- Airline (crew, maintenance, boarding)31%
- Air traffic control and airport volume9%
- Severe weather1%
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
DEN to RNO questions
- What time of day is best to fly DEN to RNO?
- Before 9 AM: 88% of flights arrived on time, against 57% for departures after 9 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 DEN to RNO?
- Frontier, with a season-adjusted 81% chance of operating and arriving on time over 71 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 DEN to RNO?
- July (64% on time); the best was November (86%), 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 DEN
- RNO to DEN (return)
- DEN to PHX 75%
- DEN to SLC 77%
- DEN to LAX 79%
- DEN to LAS 75%
- DEN to SEA 73%
- DEN to ORD 70%
- DEN to DFW 75%
- DEN to SAN 76%
- DEN to MSP 78%
- DEN to ATL 80%
- DEN to SFO 68%
- DEN to AUS 76%
Live status: FAA delays and ground stops