Route on-time record
HRL to DAL: most on-time flights and the best time to fly
Harlingen (Valley International Airport) to Dallas (Dallas Love Field). 379 nonstop flights in Jun 2025 to May 2026, 84% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was Southwest 696 at 11:10 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
HRL → DAL
Harlingen to Dallas: 379 nonstop flights a year
On time (12 months)
84%
Cancelled
0.8%
avg delay 8 min
Best time to leave
9 AM to noon
88% on time vs 78% noon to 3 PM
Most reliable airline
Southwest
83% 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 696
11:10 AM → 12:45 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-01.
84%
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).
- Leaves in this route's most on-time window (9 AM to noon: 88% on time; Noon to 3 PM: 78%).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- 58% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 8 flights
Find Southwest 696 fares Opens this date on Aviasales#2 · Southwest 2435
12:30 PM → 2:00 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 82% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's least on-time window (Noon to 3 PM: 78% on time; 9 AM to noon: 88%).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
Limited track record · 55 flights
Find Southwest 2435 fares Opens this date on Aviasales#3 · Southwest 3876
10:50 AM → 12:25 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
81%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 75% of the time (20 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 88% on time; Noon to 3 PM: 78%).
- Lands inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
- 75% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 20 flights
Find Southwest 3876 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines83%
379 flights · 84% on time as flown · 0.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon88%
164 flights · avg delay 6 min
- Noon to 3 PM78%
180 flights · avg delay 11 min
Best day: Tuesday (94%). 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 aircraft49%
- Air traffic control and airport volume27%
- Airline (crew, maintenance, boarding)24%
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
HRL to DAL questions
- What time of day is best to fly HRL to DAL?
- 9 AM to noon: 88% of flights arrived on time, against 78% for departures noon to 3 PM.
- Which airline is most on time from HRL to DAL?
- Southwest, with a season-adjusted 83% chance of operating and arriving on time over 379 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 HRL to DAL?
- July (75% on time); the best was November (90%), 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 HRL
Live status: FAA delays and ground stops