Flight number record
F9 1404
Frontier Airlines · Houston to Atlanta
- Route
- IAH → ATL
- Departs
- 06:00
- Flights
- 365
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s F9 1404, check with Frontier Airlines.
F9 1404 sits in the middle of the pack with a C. About seven flights in ten arrive on time by the DOT's definition, 9 points worse than the national rate of 77.3%. The late ones land about an hour behind schedule. That rests on 365 flights, with a median arrival right on schedule.
The national on-time rate over the same period is 77.3%, so F9 1404 runs 9 points behind the country as a whole. Across a thousand flights that is about 90 extra late arrivals.
Key figures
On time
68.3%
Arrivals under 15 minutes late, of 357 completed flights
Avg delay
57 min
Across delayed arrivals only, not all flights
Cancelled
2.19%
National rate is 1.89%
1 hour+ late
7.6%
National rate is 8.3%
These figures cover 365 flights between September 2025 and August 2026. On-time means an arrival less than 15 minutes after the scheduled gate time, the same threshold the Department of Transportation uses in its own reports. Cancelled and diverted flights are excluded from the on-time rate and counted separately, which is why the cancellation column matters on its own.
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Schedule
When F9 1404 flies
F9 1404 flies IAH to ATL without a single fixed slot. Its most common scheduled departure was 06:00, used on 108 of 365 flights, with 06:05 (69 flights) next.
- Departs 06:00108 flights29.6%
- Departs 06:0569 flights18.9%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 06:00 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and F9 1404 runs 21 points worse at 68.3%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.
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Against the route
F9 1404 next to IAH to ATL
Every carrier on IAH to ATL combined arrived on time 76.8% of the time across 4,960 flights, so F9 1404 is 9 points behind it. Frontier flew 827 flights on the same city pair under all its flight numbers, including this one, and those ran 61.7% on time. Across its whole network Frontier Airlines managed 72.7%, which this flight trails by 4 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| F9 1404 | 365 | 68.3% | 57 min | 2.19% | C |
| All Frontier Airlines on IAH–ATL | 827 | 61.7% | 70 min | 2.54% | D |
| All carriers on IAH–ATL | 4,960 | 76.8% | 68 min | 1.92% | B |
| Frontier Airlines, whole network | 213,022 | 72.7% | 84 min | 2.05% | C |
Across the year
F9 1404 quarter by quarter
F9 1404 did not run the same all year. Its best quarter was Jul–Sep 2025 at 86.7% on time and its weakest Apr–Jun 2026 at 56.8%, a swing of 30 points on roughly 73 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
- Jul–Sep 202530 flights86.7%
- Oct–Dec 202592 flights76.9%
- Jan–Mar 202690 flights58.6%
- Apr–Jun 202691 flights56.8%
- Jul–Sep 202662 flights77.0%
Scale runs 50% to 90%.
By weekday, F9 1404 did best on Wednesday at 76.5% on time and worst on Saturday at 50.0%. Each day rests on about 52 flights, so a gap of 27 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late F9 1404 runs when it is late
The 113 late arrivals split 37 under half an hour, 49 between 30 and 60 minutes, and 27 an hour or more.
- 15+ min early79 flights22.1%
- Within 15 min165 flights46.2%
- 15–29 min late37 flights10.4%
- 30–59 min late49 flights13.7%
- 1–2 hours late18 flights5.0%
- 2+ hours late9 flights2.5%
Scale runs 0% to 100%.
Share of 357 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 52 departures that left 15 minutes late or more, only 6 made it up before arrival. In the other direction, 67 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at ATL.
The worst days
Worst days for F9 1404
The latest arrival of the period was on 16 June 2026, 5 hours 49 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). On three of the five worst days the largest share was filed as a late-arriving aircraft.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 16 June 2026 | 5 hours 49 minutes | Carrier |
| 7 May 2026 | 5 hours 20 minutes | Late-arriving aircraft |
| 18 March 2026 | 4 hours 10 minutes | Carrier |
| 25 June 2026 | 4 hours 10 minutes | Late-arriving aircraft |
| 25 August 2026 | 3 hours 54 minutes | Late-arriving aircraft |
Delay causes
Why F9 1404 runs late
Carrier accounts for 42% of the 6,422 delay minutes carriers reported here, and the remaining four split what is left.
- 42%Carrier
- 41%National Airspace System
- 15%Late-arriving aircraft
- 2%Extreme weather
41% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 2,642 minutes out of 6,422, against a national NAS share of 21%. The split is drawn from 6,422 delay minutes reported on F9 1404.
Cancellations sit at 2.19% against a national 1.89%, which is ordinary. Diversions add another 0.00%.
Connections and routes
What a delay on this flight costs
7.6% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
The 689 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
Every one of the 365 flights under F9 1404 in the data flew IAH to ATL. The number was not reused on any other city pair, which makes this a clean record of one route.
One caution: this is a thin sample. 365 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking F9 1404
For a booking, F9 1404 is one of the weaker ways to fly IAH to ATL: 9 points below the route as a whole. If the schedule allows, compare it with the other departures listed on the route page before settling on this one.
Related
Where to go next
- IAH to ATL, every carrier and departure
- ATL to IAH, the return direction
- Delta Air Lines 1315 on the same route88.3%
- Delta Air Lines 1069 on the same route91.9%
- Delta Air Lines 1682 on the same route78.2%
- Delta Air Lines 1585 on the same route77.8%
- Delta Air Lines 1572 on the same route78.1%
- United Airlines 1030 on the same route90.6%
- George Bush Intercontinental (IAH) delay statistics
- Hartsfield-Jackson Atlanta International (ATL) delay statistics
- Frontier Airlines on-time record
- Every Frontier Airlines flight number with a record
- The most and least reliable flight numbers in the US
- The best time of day to fly, according to 7.05 million flight records
A flight number here means Frontier Airlines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.