84% of flights from Harlingen to Dallas arrived on time over the past 12 months. That is better than the typical U.S. route. The 5 a.m. departures ran on time 91% of the time; the 4 p.m. ones 73%. 9% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for HRL → DFW: when a flight was late, it was under 45 minutes late 41% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 46 three hours or more; 2.6% were cancelled outright.
- On time or early84%
- 15–30 min late3.1%
- 30–60 min late3.3%
- 1–2 hours late3.0%
- 2–3 hours late1.1%
- 3+ hours late2.2%
- Diverted0.3%
- Cancelled2.6%
Share of all 1,480 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| American Airlines | 1,480 | 84% | 2.6% | −9 min | 6.4% | +104 min | Envoy 86%, PSA Airlines 14% |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at HRL). Delays build through the day as late planes knock on, so early flights usually do best.
Last flight of the day
On HRL → DFW, each airline's last flight of the day was cancelled 5.2% of the time, against 1.8% for its earlier flights (2.9× as often). It arrived 3+ hours late 1.1% of the time (earlier flights: 2.5%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| American Airlines | 8:04 p.m. | 5.2% | 1.1% | 1.8% | first flight 6:00 a.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
If you need to be in DFW tonight, book an earlier flight so there's a backup if it's cancelled.
By month
Each calendar month pooled over 2023–2026. Best: October (89%). Worst: May (74%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 217 | 82% | 1.4% |
| Tuesday | 210 | 87% | 3.8% |
| Wednesday | 207 | 88% | 0.5% |
| Thursday | 212 | 90% | 1.4% |
| Friday | 210 | 86% | 2.4% |
| Saturday | 207 | 76% | 4.8% |
| Sunday | 217 | 82% | 4.2% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 28 · air traffic/airport 10 · airline 1
Month by month
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| AA 3818 | 6:00 a.m. | 257 | 91% | 0.4% | −9 min | Envoy |
| AA 3576 | 10:43 a.m. | 176 | 88% | 2.8% | −12 min | Envoy |
| AA 3575 | 8:06 p.m. | 175 | 82% | 2.9% | −11 min | Envoy |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Nov 20, 2025 | 5 | 0% | 2 |
| Nov 24, 2025 | 5 | 0% | 0 |
| Jan 25, 2026 | 4 | 0% | 3 |
| Jul 13, 2026 | 4 | 0% | 0 |
| Jun 19, 2026 | 4 | 0% | 1 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Harlingen or Dallas. None has been clearly more reliable than HRL → DFW.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| HRL → DFW (this route) | 1,480 | 84% | 2.6% |
| BRO → DFW Brownsville South Padre Island to Dallas/Fort Worth | 1,421 | 85% | 2.3% |
| HRL → DAL Valley to Dallas Love Field | 382 | 84% | 0.8% |
| MFE → DFW McAllen Miller to Dallas/Fort Worth | 2,445 | 78% | 2.7% |
Questions
How often are flights from HRL to DFW on time?
84% of 1,480 scheduled flights from Harlingen/San Benito, TX to Dallas/Fort Worth, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 2.6% were cancelled.
What is the best time of day to fly HRL to DFW?
Flights scheduled to leave at 5 a.m. were the most reliable (91% on time). The 4 p.m. departures were the least (73%).
What month has the most delays from HRL to DFW?
May (74% on time). The best month is October (89%), over 2023–2026.
Is the last flight of the day from HRL to DFW more likely to be cancelled?
Yes. Each airline's last HRL–DFW flight of the day was cancelled 5.2% of the time over the past year, against 1.8% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- DFW → HRL (return)
- Valley (HRL) delays by hour
- Flights into Dallas/Fort Worth (DFW)
- American Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.