Route on-time record

DEN to BNA: most on-time flights and the best time to fly

Denver (Denver International Airport) to Nashville (Nashville International Airport). 3,665 nonstop flights in Jun 2025 to May 2026, 74% arrived within 15 minutes and 0.7% were cancelled. The most reliable flight number was Southwest 1788 at 5:20 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

DEN → BNA

Denver to Nashville: 3,665 nonstop flights a year

On time (12 months)

74%

Cancelled

0.7%

avg delay 16 min

Best time to leave

Before 9 AM

93% on time vs 56% 6 to 9 PM

Most reliable airline

United

77% chance on time

Check DEN to BNA fares

Lowest nonstop fare seen in the next two months: $82 (Frontier 1402 on 2026-11-12). 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 1788
5:20 AM → 8:50 AM2h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
On time (history)
98%
Cancelled
1.8%
Avg arrival delay
2 min
- Arrived on time 98% of the time (54 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 56%).
- 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 (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find Southwest 1788 fares Opens this date on Aviasales
#2 · United 605
8:00 AM → 11:43 AM2h 42m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
On time (history)
92%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 92% of the time (170 flights, Jun 2025 to May 2026).
- Never cancelled in 170 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 56%).
- 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 · 170 flights
Find United 605 fares Opens this date on Aviasales
#3 · Southwest 3187
5:05 AM → 8:40 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
90%
chance on time
On time (history)
94%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 94% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 56%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Limited track record · 33 flights
Find Southwest 3187 fares Opens this date on Aviasales
#4 · Southwest 1100
7:55 AM → 11:30 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
On time (history)
94%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 94% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 56%).
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
Limited track record · 54 flights
Find Southwest 1100 fares Opens this date on Aviasales
#5 · Southwest 2451
7:00 AM → 10:35 AM2h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
86%
chance on time
On time (history)
93%
Cancelled
3.6%
Avg arrival delay
3 min
- Arrived on time 93% of the time (27 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 56%).
- 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 (27 flights), so its score leans on the airline's record at this hour.
Limited track record · 27 flights
Find Southwest 2451 fares Opens this date on Aviasales
#6 · United 355
9:45 AM → 1:32 PM2h 42m nonstop
Local times, typical schedule. Last flown 2026-05-31.
80%
chance on time
On time (history)
83%
Cancelled
1.2%
Avg arrival delay
8 min
- Arrived on time 83% of the time (163 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).
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 163 flights
Find United 355 fares Opens this date on Aviasales
#7 · Southwest 3019
10:45 AM → 2:10 PM2h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
80%
chance on time
On time (history)
85%
Cancelled
0.0%
Avg arrival delay
15 min
- Arrived on time 85% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 33 flights
Find Southwest 3019 fares Opens this date on Aviasales
#8 · Frontier 1402
10:40 AM → 2:16 PM2h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
On time (history)
80%
Cancelled
0.9%
Avg arrival delay
14 min
- Arrived on time 80% of the time (223 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).
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 223 flights
Find Frontier 1402 fares Opens this date on Aviasales
#9 · United 730
6:10 PM → 9:57 PM2h 47m nonstop
Local times, typical schedule. Last flown 2026-05-20.
77%
chance on time
On time (history)
86%
Cancelled
0.0%
Avg arrival delay
5 min
- Arrived on time 86% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 56% on time; Before 9 AM: 93%).
- 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 (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find United 730 fares Opens this date on Aviasales
#10 · Southwest 1816
10:25 AM → 2:00 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
On time (history)
71%
Cancelled
0.0%
Avg arrival delay
12 min
- Arrived on time 71% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Departs outside DEN's trouble window (2 PM to 8 PM, when 79% of its 174 ground stops and delay programs started).
- Lands inside BNA's trouble window: 64% of its 44 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 55 flights
Find Southwest 1816 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

United Airlines77%
1,160 flights · 78% on time as flown · 0.5% cancel
Frontier Airlines72%
353 flights · 71% on time as flown · 0.6% cancel
Southwest Airlines72%
2,152 flights · 72% on time as flown · 0.9% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM93%
827 flights · avg delay 3 min
9 AM to noon81%
781 flights · avg delay 10 min
Noon to 3 PM69%
684 flights · avg delay 19 min
3 to 6 PM66%
752 flights · avg delay 22 min
6 to 9 PM56%
579 flights · avg delay 32 min

Best day: Wednesday (79%). Worst: Thursday (74%).

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 aircraft51%
Airline (crew, maintenance, boarding)28%
Air traffic control and airport volume19%
Severe weather2%

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 BNA questions

What time of day is best to fly DEN to BNA?: Before 9 AM: 93% of flights arrived on time, against 56% for departures 6 to 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 BNA?: United, with a season-adjusted 77% chance of operating and arriving on time over 1,160 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 BNA?: July (66% on time); the best was September (82%), 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

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