ON TIMEBOARD

AA 1170 on time

American Airlines 1170: Dallas to Colorado Springs at 2:51 p.m.; Colorado Springs to Dallas at 3:17 p.m. (past 12 months). Figures below the title are for DFW → COS, its busiest leg

On time
71%
228 flights · likely 64–76%
Cancelled
3.5%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+57 min
average delay
Similar flights
65%
AA, same route & hour

About 1 in 3 AA 1170 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (29%); 3.5% were cancelled. The typical flight landed 1 minutes early.

AA 1170: DFW → COS

Scheduled to leave Dallas at 2:51 p.m. local time. Over the past year it arrived on time 71% of the time (228 flights), better than other AA flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Jun 2025: 50% on time (30 flights)50JunJul 2025: 42% on time (31 flights)42JulAug 2025: 41% on time (27 flights)41AugSep 2025: 70% on time (30 flights)70SepOct 2025: 74% on time (31 flights)74OctNov 2025: 62% on time (29 flights)62NovDec 2025: 68% on time (31 flights)68DecJan 2026: 63% on time (24 flights)63JanFeb 2026: 75% on time (24 flights)75FebMar 2026: 81% on time (27 flights)81MarApr 2026: too few flights (5 flights)AprAug 2026: 67% on time (27 flights)67Aug

By day of week

DayFlightsOn time
Monday3465%
Tuesday3485%
Wednesday3476%
Thursday3476%
Friday3569%
Saturday2277%
Sunday3549%

Why it was late

Late inbound plane 56%Airline (crew, maintenance, ops) 34%Air traffic & airport (NAS) 6%Severe weather 4%

All flights DFW → COS · Connecting off AA 1170? Check the risk

AA 1170: COS → DFW

Scheduled to leave Colorado Springs at 3:17 p.m. local time. Over the past year it arrived on time 70% of the time (224 flights), better than other AA flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.

Usually American Airlines's last flight of the day from Colorado Springs to Dallas (88% of days). American Airlines's last COS–DFW flight was cancelled 3.6% of the time, against 1.9% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 5:35 a.m. the next morning.

Month by month

20%60%100%Jun 2025: 37% on time (30 flights)37JunJul 2025: 33% on time (30 flights)33JulAug 2025: 41% on time (27 flights)41AugSep 2025: 77% on time (30 flights)77SepOct 2025: 73% on time (30 flights)73OctNov 2025: 50% on time (28 flights)50NovDec 2025: 69% on time (29 flights)69DecJan 2026: 71% on time (24 flights)71JanFeb 2026: 88% on time (24 flights)88FebMar 2026: 63% on time (27 flights)63MarApr 2026: too few flights (5 flights)AprAug 2026: 70% on time (27 flights)70Aug

By day of week

DayFlightsOn time
Monday3471%
Tuesday3482%
Wednesday3177%
Thursday3474%
Friday3468%
Saturday2268%
Sunday3549%

Why it was late

Late inbound plane 55%Air traffic & airport (NAS) 17%Airline (crew, maintenance, ops) 15%Severe weather 12%Security 1%

All flights COS → DFW · Connecting off AA 1170? Check the risk

Questions

How often is AA 1170 from DFW to COS late?

American Airlines 1170 from Dallas/Fort Worth, TX to Colorado Springs, CO arrived 15 or more minutes late, was diverted or was cancelled on 29% of 228 scheduled flights between September 2025 and August 2026. 3.5% were cancelled.

How often is AA 1170 from COS to DFW late?

American Airlines 1170 from Colorado Springs, CO to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 30% of 224 scheduled flights between September 2025 and August 2026. 3.1% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check American Airlines for today's flight. Method.