Route on-time record
LAS to DFW: most on-time flights and the best time to fly
Las Vegas (Harry Reid International Airport) to Dallas-Fort Worth (Dallas Fort Worth International Airport). 5,242 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 2.8% were cancelled. The most reliable flight number was American 1780 at 5:45 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
LAS → DFW
Las Vegas to Dallas-Fort Worth: 5,242 nonstop flights a year
On time (12 months)
81%
Cancelled
2.8%
avg delay 19 min
Best time to leave
Before 9 AM
88% on time vs 68% 3 to 6 PM
Most reliable airline
Spirit
79% chance on time
Lowest nonstop fare seen in the next two months: $24 (Frontier 3978 on 2026-11-19). 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 · American 1780
5:45 AM → 10:34 AM2h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
- On time (history)
- 94%
- Cancelled
- 2.5%
- Avg arrival delay
- 5 min
- Arrived on time 94% of the time (196 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Moderate track record · 196 flights
Find American 1780 fares Opens this date on Aviasales#2 · Frontier 3886
6:00 AM → 10:56 AM2h 56m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 96%
- Cancelled
- 2.1%
- Avg arrival delay
- 3 min
- Arrived on time 96% of the time (47 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- Short track record (47 flights), so its score leans on the airline's record at this hour.
Limited track record · 47 flights
Find Frontier 3886 fares Opens this date on Aviasales#3 · American 2275
6:30 AM → 11:19 AM2h 49m nonstop
Local times, typical schedule. Last flown 2026-04-06.
86%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 90% of the time (30 flights, Jun 2025 to May 2026).
- Never cancelled in 30 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Limited track record · 30 flights
Find American 2275 fares Opens this date on Aviasales#4 · American 2932
7:00 AM → 11:52 AM2h 52m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as American 654; its record covers all of them.
86%
chance on time
- On time (history)
- 90%
- Cancelled
- 4.0%
- Avg arrival delay
- 24 min
- Arrived on time 90% of the time (428 flights, Jun 2025 to May 2026).
- Cancelled 4.0% of the time (18 of 447).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Strong track record · 428 flights
Find American 2932 fares Opens this date on Aviasales#5 · American 1908
7:30 AM → 12:20 PM2h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 87%
- Cancelled
- 2.0%
- Avg arrival delay
- 14 min
- Arrived on time 87% of the time (299 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Strong track record · 299 flights
Find American 1908 fares Opens this date on Aviasales#6 · American 2921
12:59 AM → 5:39 AM2h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 87%
- Cancelled
- 2.1%
- Avg arrival delay
- 7 min
- Arrived on time 87% of the time (141 flights, Jun 2025 to May 2026).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Moderate track record · 141 flights
Find American 2921 fares Opens this date on Aviasales#7 · American 614
9:35 AM → 2:22 PM2h 47m nonstop
Local times, typical schedule. Last flown 2026-04-06.
82%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.8%
- Avg arrival delay
- 18 min
- Arrived on time 86% of the time (129 flights, Jun 2025 to May 2026).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
- Lands inside DFW's trouble window: 53% of its 139 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 129 flights
Find American 614 fares Opens this date on Aviasales#8 · American 617
8:00 AM → 12:51 PM2h 51m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 1241; its record covers all of them.
82%
chance on time
- On time (history)
- 81%
- Cancelled
- 0.7%
- Avg arrival delay
- 28 min
- Arrived on time 81% of the time (277 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Strong track record · 277 flights
Find American 617 fares Opens this date on Aviasales#9 · American 3285
10:43 AM → 3:33 PM2h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 1584; its record covers all of them.
82%
chance on time
- On time (history)
- 86%
- Cancelled
- 3.1%
- Avg arrival delay
- 17 min
- Arrived on time 86% of the time (247 flights, Jun 2025 to May 2026).
- Cancelled 3.1% of the time (8 of 256).
- Departs inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Lands inside DFW's trouble window: 53% of its 139 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 247 flights
Find American 3285 fares Opens this date on Aviasales#10 · American 3099
11:45 PM → 4:28 AM2h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 84%
- Cancelled
- 8.5%
- Avg arrival delay
- 7 min
- Arrived on time 84% of the time (64 flights, Jun 2025 to May 2026).
- Cancelled 8.5% of the time (6 of 71).
- Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
Moderate track record · 64 flights
Find American 3099 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Spirit Airlines79%
444 flights · 79% on time as flown · 1.7% cancel
- Frontier Airlines79%
785 flights · 81% on time as flown · 2.4% cancel
- American Airlines78%
4,013 flights · 81% on time as flown · 3.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM88%
1,745 flights · avg delay 18 min
- 9 AM to noon84%
995 flights · avg delay 17 min
- Noon to 3 PM72%
846 flights · avg delay 26 min
- 3 to 6 PM68%
737 flights · avg delay 24 min
- 6 to 9 PM79%
239 flights · avg delay 24 min
- After 9 PM82%
680 flights · avg delay 12 min
Best day: Wednesday (82%). Worst: Sunday (75%).
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 aircraft45%
- Airline (crew, maintenance, boarding)38%
- Air traffic control and airport volume13%
- Severe weather3%
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
LAS to DFW questions
- What time of day is best to fly LAS to DFW?
- Before 9 AM: 88% of flights arrived on time, against 68% 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 LAS to DFW?
- Spirit, with a season-adjusted 79% chance of operating and arriving on time over 444 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 LAS to DFW?
- July (63% on time); the best was December (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 LAS
- DFW to LAS (return)
- LAS to LAX 79%
- LAS to DEN 77%
- LAS to SAN 68%
- LAS to PHX 78%
- LAS to SFO 66%
- LAS to SEA 82%
- LAS to ORD 77%
- LAS to ATL 84%
- LAS to SNA 82%
- LAS to SMF 79%
- LAS to BUR 80%
- LAS to RNO 80%
Live status: FAA delays and ground stops