Route Reliability

Airport reliability

Huntsville (HSV) on-time performance

How reliably flights leave Huntsville, AL (HSV) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Huntsville, AL8,126 departures in 12 months

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Departures on time
77.9%
U.S. average 75.6%
Cancelled
2.4%
U.S. average 1.9%
60+ minutes late
8.6%
U.S. average 8.1%
Scheduled departures
8,126
12 months

What this means

HSV departures beat the U.S. average.

  • 77.9% of the 8,126 scheduled departures from Huntsville (HSV) arrived at their destination on time, 2.3 points higher than the U.S. average of 75.6%.
  • 2.4% of departures were cancelled (U.S. average 1.9%), and 8.6% arrived an hour or more late.
  • Flights arriving at HSV were on time 74.4% of the time.
  • Among airlines with at least 300 departures, Delta Air Lines was the most punctual from HSV (87.3%) and PSA Airlines the least (72.2%).
  • Over the last 3 years, October was the most reliable month for departures from HSV (83.7% on time) and January the least reliable (68.5%).
  • Cancellations peaked in January, when 6.7% of flights were cancelled.
  • Flights scheduled to depart 8 am to 9 am were the most punctual (88.8% on time); flights scheduled to depart 6 pm to 7 pm were the least (60.5%).

Airlines at HSV

Ranked by on-time arrival

Departures from HSV, September 2025 to August 2026. On time means arrived at the destination within 15 minutes of schedule.
AirlineOn timeCancelled 60+ min lateAvg delay when lateDepartures
Delta Air Lines 87.3%1.9% 5.1%87 min 2,229
Republic AirwaysSold as American Eagle, Delta Connection, United Express 79.6%1.9% 3.7%30 min 54
Envoy AirSold as American Eagle 77.5%2.1% 7.6%73 min 1,508
SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska 75.2%1.9% 9.8%103 min 1,917
American Airlines 73.9%3.7% 6.9%116 min 188
PSA AirlinesSold as American Eagle 72.2%4.0% 11.8%125 min 2,023
Allegiant Air 62.8%0.5% 15.5%117 min 207

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On-time rate by departure hour

<6a 86.5%
6a 80.3%
7a 84.0%
8a 88.8%
9a 85.3%
10a 80.2%
11a 75.4%
12p 73.7%
1p 67.4%
2p 72.6%
3p 76.0%
4p 74.0%
5p 75.2%
6p 60.5%
7p 70.4%
8p Insufficient sample
9p Insufficient sample
Share of scheduled flights on time HSV average 77.9%
Departures from HSV by scheduled local departure hour, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 86.5% 820
Departing 6 am to 7 am 80.3% 880
Departing 7 am to 8 am 84.0% 848
Departing 8 am to 9 am 88.8% 560
Departing 9 am to 10 am 85.3% 645
Departing 10 am to 11 am 80.2% 645
Departing 11 am to noon 75.4% 183
Departing noon to 1 pm 73.7% 593
Departing 1 pm to 2 pm 67.4% 417
Departing 2 pm to 3 pm 72.6% 412
Departing 3 pm to 4 pm 76.0% 546
Departing 4 pm to 5 pm 74.0% 277
Departing 5 pm to 6 pm 75.2% 314
Departing 6 pm to 7 pm 60.5% 678
Departing 7 pm to 8 pm 70.4% 267
Departing 8 pm to 9 pm Insufficient sample 39
Departing 9 pm to 10 pm Insufficient sample 2

Best and worst months at HSV

Jan 68.5%
Feb 78.1%
Mar 77.6%
Apr 80.5%
May 73.5%
Jun 74.9%
Jul 71.8%
Aug 76.8%
Sep 82.1%
Oct 83.7%
Nov 80.2%
Dec 76.4%
Share of scheduled flights on time 12-month average 77.9%
Departures from HSV by calendar month, September 2023 to August 2026 pooled. Scale starts at zero.
Show as table
PeriodOn timeFlights
January 68.5% 1,910
February 78.1% 1,893
March 77.6% 2,239
April 80.5% 2,149
May 73.5% 2,245
June 74.9% 2,151
July 71.8% 2,211
August 76.8% 2,203
September 82.1% 2,244
October 83.7% 2,201
November 80.2% 2,063
December 76.4% 1,929

Month by month, last 12 months

Sep 82.7%
Oct 80.5%
Nov 74.5%
Dec 73.2%
Jan 74.1%
Feb 78.7%
Mar 72.1%
Apr 82.3%
May 80.4%
Jun 79.8%
Jul 76.8%
Aug 78.1%
Share of scheduled flights on time U.S. average 75.6%
Departures from HSV, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 82.7% 779
Oct 2025 80.5% 724
Nov 2025 74.5% 691
Dec 2025 73.2% 631
Jan 2026 74.1% 572
Feb 2026 78.7% 568
Mar 2026 72.1% 716
Apr 2026 82.3% 674
May 2026 80.4% 664
Jun 2026 79.8% 677
Jul 2026 76.8% 732
Aug 2026 78.1% 698

Busiest routes from HSV

Nonstop routes from HSV by scheduled flights, September 2025 to August 2026.
ToOn timeCancelledAirlinesFlights
Atlanta (ATL) 87.3%1.9%22,235
Dallas/Fort Worth (DFW) 76.0%3.1%42,079
Washington (DCA) 68.3%3.9%31,310
Chicago (ORD) 67.1%3.0%21,018
Denver (DEN) 84.8%0.3%1728
Charlotte (CLT) 86.1%1.5%2410
Detroit (DTW) 85.4%1.0%2103
Fort Lauderdale (FLL) 57.3%0.0%175
Sanford (SFB) 56.9%1.7%158
Airliner parked at a terminal gate
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Scheduled nonstop domestic departures from Huntsville, AL (HSV) by airlines that report to the DOT.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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