Airport reliability

Chattanooga (CHA) on-time performance

How reliably flights leave Chattanooga, TN (CHA) 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

Chattanooga, TN5,134 departures in 12 months

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Departures on time: 74.3%
Cancelled: 2.7%
60+ minutes late: 10.0%
Scheduled departures: 5,134

What this means

CHA departures ran below the U.S. average.

74.3% of the 5,134 scheduled departures from Chattanooga (CHA) arrived at their destination on time, 1.3 points lower than the U.S. average of 75.6%.
2.7% of departures were cancelled (U.S. average 1.9%), and 10.0% arrived an hour or more late.
Flights arriving at CHA were on time 71.3% of the time.
Among airlines with at least 300 departures, Delta Air Lines was the most punctual from CHA (84.4%) and Allegiant Air the least (58.5%).
Over the last 3 years, October was the most reliable month for departures from CHA (85.4% on time) and January the least reliable (70.2%).
Cancellations peaked in January, when 6.3% of flights were cancelled.
Flights scheduled to depart before 6 am were the most punctual (90.4% on time); flights scheduled to depart 3 pm to 4 pm were the least (52.9%).

Airlines at CHA

Ranked by on-time arrival

Departures from CHA, September 2025 to August 2026. On time means arrived at the destination within 15 minutes of schedule.
Airline	On time	Cancelled	60+ min late	Avg delay when late	Departures
Delta Air Lines	84.4%	2.0%	5.9%	85 min	1,324
Envoy AirSold as American Eagle	77.5%	2.1%	7.5%	68 min	481
PSA AirlinesSold as American Eagle	75.7%	3.8%	9.6%	115 min	1,434
Republic AirwaysSold as American Eagle, Delta Connection, United Express	71.5%	2.5%	8.8%	64 min	319
SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska	66.5%	3.3%	13.6%	99 min	949
American Airlines	62.6%	2.7%	15.4%	101 min	182
Allegiant Air	58.5%	0.7%	17.8%	92 min	410
Spirit Airlines	Insufficient sample				35

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On-time rate by departure hour

<6a 90.4%

6a 81.2%

7a 79.7%

8a 80.4%

9a Insufficient sample

10a 74.6%

11a 85.1%

12p 80.6%

1p 78.3%

2p 69.4%

3p 52.9%

4p 68.2%

5p 60.8%

6p 67.9%

7p 48.1%

8p 59.5%

9p 52.6%

10p 52.9%

Share of scheduled flights on time CHA average 74.3%

Departures from CHA by scheduled local departure hour, September 2025 to August 2026. Scale starts at zero.

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Period	On time	Flights
Departing before 6 am	90.4%	363
Departing 6 am to 7 am	81.2%	736
Departing 7 am to 8 am	79.7%	711
Departing 8 am to 9 am	80.4%	270
Departing 9 am to 10 am	Insufficient sample	46
Departing 10 am to 11 am	74.6%	138
Departing 11 am to noon	85.1%	114
Departing noon to 1 pm	80.6%	335
Departing 1 pm to 2 pm	78.3%	235
Departing 2 pm to 3 pm	69.4%	346
Departing 3 pm to 4 pm	52.9%	102
Departing 4 pm to 5 pm	68.2%	547
Departing 5 pm to 6 pm	60.8%	360
Departing 6 pm to 7 pm	67.9%	504
Departing 7 pm to 8 pm	48.1%	52
Departing 8 pm to 9 pm	59.5%	148
Departing 9 pm to 10 pm	52.6%	76
Departing 10 pm to 11 pm	52.9%	51

Best and worst months at CHA

Jan 70.2%

Feb 79.0%

Mar 74.7%

Apr 73.3%

May 71.6%

Jun 71.4%

Jul 70.6%

Aug 77.4%

Sep 84.0%

Oct 85.4%

Nov 84.6%

Dec 79.2%

Share of scheduled flights on time 12-month average 74.3%

Departures from CHA by calendar month, September 2023 to August 2026 pooled. Scale starts at zero.

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Period	On time	Flights
January	70.2%	1,288
February	79.0%	1,192
March	74.7%	1,421
April	73.3%	1,525
May	71.6%	1,386
June	71.4%	1,422
July	70.6%	1,452
August	77.4%	1,388
September	84.0%	1,559
October	85.4%	1,662
November	84.6%	1,585
December	79.2%	1,375

Month by month, last 12 months

Sep 82.0%

Oct 79.1%

Nov 77.8%

Dec 69.9%

Jan 72.6%

Feb 78.9%

Mar 67.6%

Apr 71.2%

May 74.7%

Jun 73.1%

Jul 68.3%

Aug 76.1%

Share of scheduled flights on time U.S. average 75.6%

Departures from CHA, September 2025 to August 2026. Scale starts at zero.

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Period	On time	Flights
Sep 2025	82.0%	455
Oct 2025	79.1%	521
Nov 2025	77.8%	446
Dec 2025	69.9%	349
Jan 2026	72.6%	339
Feb 2026	78.9%	322
Mar 2026	67.6%	438
Apr 2026	71.2%	527
May 2026	74.7%	443
Jun 2026	73.1%	424
Jul 2026	68.3%	435
Aug 2026	76.1%	435

Busiest routes from CHA

Nonstop routes from CHA by scheduled flights, September 2025 to August 2026.
To	On time	Cancelled	Airlines	Flights
Dallas/Fort Worth (DFW)	74.7%	3.4%	4	1,579
Atlanta (ATL)	83.1%	2.2%	2	1,371
Chicago (ORD)	67.7%	4.0%	3	988
Houston (IAH)	65.4%	0.3%	1	309
Washington (DCA)	81.1%	3.0%	3	301
Sanford (SFB)	39.8%	1.7%	1	118
St. Petersburg (PIE)	55.2%	0.0%	1	116
Charlotte (CLT)	81.8%	1.0%	2	99
Fort Lauderdale (FLL)	65.6%	0.0%	2	64
Las Vegas (LAS)	74.2%	1.6%	1	62
Punta Gorda (PGD)	80.0%	0.0%	1	60

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 Chattanooga, TN (CHA) 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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