Route on-time record

DFW to LAS: most on-time flights and the best time to fly

Dallas-Fort Worth (Dallas Fort Worth International Airport) to Las Vegas (Harry Reid International Airport). 5,232 nonstop flights in Jun 2025 to May 2026, 69% arrived within 15 minutes and 2.7% were cancelled. The most reliable flight number was Frontier 1051 at 11:51 AM.

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

DFW → LAS

Dallas-Fort Worth to Las Vegas: 5,232 nonstop flights a year

On time (12 months)

69%

Cancelled

2.7%

avg delay 23 min

Best time to leave

Before 9 AM

87% on time vs 60% 6 to 9 PM

Most reliable airline

Frontier

77% chance on time

Check DFW to LAS fares

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 · Frontier 1051
11:51 AM → 12:57 PM3h 07m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
On time (history)
88%
Cancelled
1.4%
Avg arrival delay
13 min
- Arrived on time 88% of the time (217 flights, Jun 2025 to May 2026).
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- 61% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 217 flights
Find Frontier 1051 fares Opens this date on Aviasales
#2 · American 1969
7:05 AM → 8:06 AM3h 01m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 1890; its record covers all of them.
84%
chance on time
On time (history)
87%
Cancelled
3.2%
Avg arrival delay
8 min
- Arrived on time 87% of the time (240 flights, Jun 2025 to May 2026).
- Cancelled 3.2% of the time (8 of 248).
- Leaves in this route's most on-time window (Before 9 AM: 87% on time; 6 to 9 PM: 60%).
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
Strong track record · 240 flights
Find American 1969 fares Opens this date on Aviasales
#3 · American 1584
8:46 AM → 9:50 AM2h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
On time (history)
83%
Cancelled
1.2%
Avg arrival delay
12 min
- Arrived on time 83% of the time (322 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 87% on time; 6 to 9 PM: 60%).
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
Strong track record · 322 flights
Find American 1584 fares Opens this date on Aviasales
#4 · Spirit 1007
7:15 AM → 8:18 AM3h 03m nonstop
Local times, typical schedule. Last flown 2026-04-14.
81%
chance on time
On time (history)
84%
Cancelled
2.2%
Avg arrival delay
19 min
- Arrived on time 84% of the time (91 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 87% on time; 6 to 9 PM: 60%).
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
Moderate track record · 91 flights
Find Spirit 1007 fares Opens this date on Aviasales
#5 · American 3216
10:36 AM → 11:48 AM3h 12m nonstop
Local times, typical schedule. Last flown 2026-04-06.
78%
chance on time
On time (history)
90%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 90% of the time (30 flights, Jun 2025 to May 2026).
- Never cancelled in 30 scheduled flights.
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
Limited track record · 30 flights
Find American 3216 fares Opens this date on Aviasales
#6 · Frontier 1961
12:21 PM → 1:37 PM3h 11m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
On time (history)
80%
Cancelled
2.9%
Avg arrival delay
15 min
- Arrived on time 80% of the time (204 flights, Jun 2025 to May 2026).
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- 68% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 204 flights
Find Frontier 1961 fares Opens this date on Aviasales
#7 · Frontier 3885
10:44 PM → 11:54 PM3h 13m nonstop
Local times, typical schedule. Last flown 2026-05-31.
74%
chance on time
On time (history)
77%
Cancelled
2.7%
Avg arrival delay
12 min
- Arrived on time 77% of the time (285 flights, Jun 2025 to May 2026).
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
Strong track record · 285 flights
Find Frontier 3885 fares Opens this date on Aviasales
#8 · American 777
12:41 PM → 1:39 PM2h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
72%
chance on time
On time (history)
73%
Cancelled
1.6%
Avg arrival delay
17 min
- Arrived on time 73% of the time (356 flights, Jun 2025 to May 2026).
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
Strong track record · 356 flights
Find American 777 fares Opens this date on Aviasales
#9 · American 593
9:30 AM → 10:31 AM3h 01m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as American 783; its record covers all of them.
71%
chance on time
On time (history)
76%
Cancelled
0.0%
Avg arrival delay
18 min
- Arrived on time 76% of the time (42 flights, Jun 2025 to May 2026).
- Never cancelled in 42 scheduled flights.
- Departs outside DFW's trouble window (1 PM to 7 PM, when 53% of its 139 ground stops and delay programs started).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
Limited track record · 42 flights
Find American 593 fares Opens this date on Aviasales
#10 · Frontier 1647
4:39 PM → 5:49 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-05-04.
65%
chance on time
On time (history)
64%
Cancelled
1.6%
Avg arrival delay
45 min
- Arrived on time 64% of the time (61 flights, Jun 2025 to May 2026).
- Departs inside DFW's trouble window: 53% of its 139 ground stops and delay programs started between 1 PM and 7 PM.
- 77% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 61 flights
Find Frontier 1647 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Frontier Airlines77%
786 flights · 80% on time as flown · 2.4% cancel
Spirit Airlines75%
439 flights · 76% on time as flown · 1.9% cancel
American Airlines65%
4,007 flights · 67% on time as flown · 2.9% cancel

On time by departure time

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

Before 9 AM87%
928 flights · avg delay 10 min
9 AM to noon74%
518 flights · avg delay 16 min
Noon to 3 PM73%
851 flights · avg delay 19 min
3 to 6 PM64%
980 flights · avg delay 29 min
6 to 9 PM60%
986 flights · avg delay 32 min
After 9 PM61%
969 flights · avg delay 24 min

Best day: Tuesday (74%). Worst: Friday (65%).

Smarter routing

Nearby airports that run more on time

DAL → LAS 75% chance on time
Dallas Love Field to Harry Reid International Airport · 2,881 flights a year · 12 mi from your airports · yours: 67%
Rank flights Fares

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 aircraft53%
Airline (crew, maintenance, boarding)27%
Air traffic control and airport volume13%
Severe weather6%

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

DFW to LAS questions

What time of day is best to fly DFW to LAS?: Before 9 AM: 87% of flights arrived on time, against 60% 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 DFW to LAS?: Frontier, with a season-adjusted 77% chance of operating and arriving on time over 786 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 DFW to LAS?: July (54% on time); the best was December (77%), 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.

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