Route on-time record

HOU to DAL: most on-time flights and the best time to fly

Houston (William P. Hobby Airport) to Dallas (Dallas Love Field). 4,075 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 2.2% were cancelled. The most reliable flight number was Southwest 10 at 8:30 AM.

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

HOU → DAL

Houston to Dallas: 4,075 nonstop flights a year

On time (12 months)

81%

Cancelled

2.2%

avg delay 11 min

Best time to leave

Before 9 AM

94% on time vs 69% after 9 PM

Most reliable airline

Southwest

80% chance on time

Check HOU to DAL fares

Lowest nonstop fare seen in the next two months: $152 (Southwest 1636 on 2026-10-24). 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 10
8:30 AM → 9:40 AM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
On time (history)
99%
Cancelled
2.1%
Avg arrival delay
1 min
- Arrived on time 99% of the time (94 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 69%).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
Moderate track record · 94 flights
Find Southwest 10 fares Opens this date on Aviasales
#2 · Southwest 1636
6:00 AM → 7:05 AM1h 05m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
On time (history)
94%
Cancelled
1.0%
Avg arrival delay
3 min
- Arrived on time 94% of the time (290 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 69%).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
Strong track record · 290 flights
Find Southwest 1636 fares Opens this date on Aviasales
#3 · Southwest 4
7:00 AM → 8:10 AM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-30.
92%
chance on time
On time (history)
94%
Cancelled
1.4%
Avg arrival delay
3 min
- Arrived on time 94% of the time (204 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 69%).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
Strong track record · 204 flights
Find Southwest 4 fares Opens this date on Aviasales
#4 · Southwest 6
7:30 AM → 8:35 AM1h 05m nonstop
Local times, typical schedule. Last flown 2026-04-01.
92%
chance on time
On time (history)
96%
Cancelled
2.1%
Avg arrival delay
2 min
- Arrived on time 96% of the time (93 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 69%).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
Moderate track record · 93 flights
Find Southwest 6 fares Opens this date on Aviasales
#5 · Southwest 14
9:30 AM → 10:40 AM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
On time (history)
91%
Cancelled
1.7%
Avg arrival delay
6 min
- Arrived on time 91% of the time (116 flights, Jun 2025 to May 2026).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
Moderate track record · 116 flights
Find Southwest 14 fares Opens this date on Aviasales
#6 · Southwest 12
9:00 AM → 10:15 AM1h 15m nonstop
Local times, typical schedule. Last flown 2026-04-05.
89%
chance on time
On time (history)
92%
Cancelled
1.1%
Avg arrival delay
4 min
- Arrived on time 92% of the time (91 flights, Jun 2025 to May 2026).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
Moderate track record · 91 flights
Find Southwest 12 fares Opens this date on Aviasales
#7 · Southwest 8
8:00 AM → 9:15 AM1h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
88%
Cancelled
2.9%
Avg arrival delay
8 min
- Arrived on time 88% of the time (169 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; After 9 PM: 69%).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
Moderate track record · 169 flights
Find Southwest 8 fares Opens this date on Aviasales
#8 · Southwest 16
10:00 AM → 11:05 AM1h 05m nonstop
Local times, typical schedule. Last flown 2026-04-01.
86%
chance on time
On time (history)
90%
Cancelled
4.4%
Avg arrival delay
4 min
- Arrived on time 90% of the time (174 flights, Jun 2025 to May 2026).
- Cancelled 4.4% of the time (8 of 182).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
Moderate track record · 174 flights
Find Southwest 16 fares Opens this date on Aviasales
#9 · Southwest 18
10:50 AM → 12:00 PM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-30.
86%
chance on time
On time (history)
87%
Cancelled
2.2%
Avg arrival delay
12 min
- Arrived on time 87% of the time (45 flights, Jun 2025 to May 2026).
- Departs outside HOU's trouble window (noon to 6 PM, when 80% of its 40 ground stops and delay programs started).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (45 flights), so its score leans on the airline's record at this hour.
Limited track record · 45 flights
Find Southwest 18 fares Opens this date on Aviasales
#10 · Southwest 26
12:30 PM → 1:40 PM1h 10m nonstop
Local times, typical schedule. Last flown 2026-05-27.
83%
chance on time
On time (history)
88%
Cancelled
2.8%
Avg arrival delay
8 min
- Arrived on time 88% of the time (104 flights, Jun 2025 to May 2026).
- Departs inside HOU's trouble window: 80% of its 40 ground stops and delay programs started between noon and 6 PM.
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
Moderate track record · 104 flights
Find Southwest 26 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Southwest Airlines80%
4,075 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 AM94%
923 flights · avg delay 4 min
9 AM to noon88%
726 flights · avg delay 8 min
Noon to 3 PM79%
680 flights · avg delay 14 min
3 to 6 PM74%
779 flights · avg delay 16 min
6 to 9 PM73%
729 flights · avg delay 16 min
After 9 PM69%
238 flights · avg delay 20 min

Best day: Wednesday (85%). Worst: Sunday (78%).

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 aircraft36%
Air traffic control and airport volume32%
Airline (crew, maintenance, boarding)26%
Severe weather5%

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

HOU to DAL questions

What time of day is best to fly HOU to DAL?: Before 9 AM: 94% of flights arrived on time, against 69% 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 HOU to DAL?: Southwest, with a season-adjusted 80% chance of operating and arriving on time over 4,075 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 HOU to DAL?: May (74% on time); the best was February (89%), 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 HOU

Live status: FAA delays and ground stops

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